Transcript for Mega Millions winning ticket sold in Michigan
All right, now to the billion dollar winner scoring the second largest jackpot in megamillions history. ABC's zohreen shah has more. Reporter: This morning, one American is $1 billion richer. The winning megamillions jackpot ticket sold in Michigan, the third largest prize in lotto history. Our first winning number tonight is 42. Reporter: Those magic numbers -- 4, 26, 42, 50, 60 and the megaball 24. Now the search is on for the winner of a prize that has steadily grown since the last winning ticket was sold in September and whoever the winner is, they're joining a very exclusive club with someone in a small Maryland town. That person won Powerball this week and now also worth over $731 million. The store that sold that winning ticket, coney market, is getting a lot of recognition. It's been crazy. I never thought in a million years that would ever happen to us, especially in this small town. Reporter: But the big winner might not. Maryland is one of the few states where winners can keep their identity a secret, lding to a lot of speculation. Still, the man who sold that Powerball ticket is getting a piece of the action, $100,000 and says he's going to share that money with his employees. My employees are going to benefit from it. I'm going to give them some of the money and I'm going to renovate the store. So because this person bought their ticket from the state of Michigan they have to come forward. They cannot keep their I.D. A secret. Michigan lotto officials telling us they haven't heard from the whenner this morning. The earliest they would hear is Monday.
This transcript has been automatically generated and may not be 100% accurate.