What is the third largest continent in square miles?

Asia is the largest, covering an area of approximately 17,212,000 million square miles(148,429,000 Sq. Km)

Africa is the 2nd largest, covering an area of approximately 11,608,000 square miles(44,579,000 Sq. Km)

North America(Canada, The U.S., etc) is the 3rd largest, covering an area of approximately 9,450,000 square miles(30,065,000 Sq. Km)

The Rest

South America: 6,880,000 Sq. Miles (17,819,000 Sq. Km)

Antarctica: 5,100,000 Sq. Miles (13,209,000 Sq. Km)

Europe: 3,837,000 Sq. Miles (9,938,000 Sq. Km)

Oceania: 2,968,000 Sq. Miles (7,687,000 Sq. Km)

(^numerous lands-mostly islands in the Pacific Ocean, such as Australia)