The Powerball jackpot for Saturday’s lottery drawing has increased to an estimated $521 million, with a cash option of $254.8 million. The drawing will be held at 10:59 p.m. and televised on WABC-7 in the New York City area and Fox 29 in the Philadelphia area. NJ.com will publish the winning numbers immediately following the drawing. No one across the country hit Wednesday’s $486 million jackpot. There were also no second-prize, $1 million tickets sold. In New Jersey, a third-prize $50,000 ticket was bought for Wednesday’s drawing at ShopRite on William Dalton Drive in Glassboro, lottery offic…