News Mega Millions $1 billion jackpot is the third largest in US history. The winning ticket was sold in Michigan. January 22, 2021January 23, 2021Jordan Culver, USA TODAYComments Off on Mega Millions $1 billion jackpot is the third largest in US history. The winning ticket was sold in Michigan. The Mega Millions jackpot on Friday was worth an estimated $1 billion, making it the third-largest jackpot in U.S. history.