By Adam Rhodes (July 18, 2018, 8:12 PM EDT) -- Silver Lake approached iHeartMedia about making a $500 million investment in the Texas-based radio station giant, the Wall Street Journal reported on Wednesday. According to the report, the private equity firm met with the company as well as Franklin Mutual Advisers and Pacific Investment Management Co., which led the company's largest creditor group. The creditor group leaders, however, haven't accepted the offer, the outlet reported. The radio station giant filed for bankruptcy in March, simultaneously announcing it had negotiated an agreement in principle with its lenders and other creditors to reduce its balance sheet by more than $10 billion....