Lenovo targets profitable mobile division by year-end after Q3 earnings drop

* No plan to sell mobile division -chairman * Q3 net profit $98 mln vs $160 mln analyst view * Mobile division books flat Q3 operating loss vs Q2 * PC revenue rises 2 pct on yr, market share hits 22.4 pct (Adds chairman interview, context) HONG KONG, Feb 16 (Reuters) - The mobile division of China's Lenovo Group Ltd is "on track" to return to profit by December at the earliest helped by strong growth in overseas markets, its chairman said on Thursday after the firm posted a 67 percent drop in qu