Amazon reported a 55.2% increase in profit for Q3 driven by robust growth in its cloud computing business.Amazon Web Services (AWS) had an operating income of $10.4 billion in Q3, contributing significantly to the company's bottom line.AWS now stands at a $110 billion annualized run rate and has experienced significant growth in the last four quarters.Amazon's net sales rose 11% YoY to $158.9 billion, with AWS segment sales increasing 19% YoY to $27.5 billion.