Royal Caribbean Cruises Ltd (NYSE:RCL) reported third-quarter revenue growth of 17.5% year-over-year to $4.89 billion, missing the consensus of $4.90 billion. Passenger ticket revenues rose 18% YoY to $3.47 billion compared to last year. Total cruise operating expenses were $2.391 billion versus $2.137 billion a year ago. Gross Cruise Costs per Available Passenger Cruise Days (APCD) increased by 1.3%. Gross margin yields increased by 13.4%, as reported, and net yields increased by 7.9% in constant currency. Operating income for the quarter rose 29.2% to $1.634 billion, with an operating margin…