Hilton Profit Up on Travel Recovery  NEW YORK (Reuters) - Hilton Hotels Corp. &lt;A HREF="http://www.investor.reuters.com/FullQuote.aspx?ticker=HLT.N target=/stocks/quickinfo/fullquote"&gt;HLT.N&lt;/A&gt; on Monday  said third-quarter earnings almost doubled as business and  leisure travel increased, filling its big urban hotels.