Procter & Gamble Co. said Tuesday that strong growth in developing markets helped power earnings 14 percent higher in the third quarter for the world’s largest consumer product company. P&G said net income in the three months ended March 31 climbed to $2.51 billion, or 74 cents per share, from $2.21 billion, or 63 cents per share, in the year-earlier period. The Cincinnati company also improved its full-year earnings target on the strong quarterly sales. However, the result f...