Young man in his 20s from Preston, Melbourne revealed as second division one winner of $100 million Powerball jackpot  7NEWSSecond Powerball winner comes forward to claim life-changing $50 million jackpot  the Lott Australia's Official LotteriesPowerball $100 million lotto jackpot jointly won by Queensland couple and Melbourne man  ABC NewsMan wins half of $100 million jackpot with his first ever Powerball ticket  9NewsWinners of $100m Powerball revealed  news.com.au