Finding the Third Proportional to 622,227 and 1,329,744

Step by Step Solution

1. Step 1: Write the proportion equation
   622,227 : 1,329,744 = 1,329,744 : x
2. Step 2: Convert to fraction form
   622,227/1,329,744 = 1,329,744/x
3. Step 3: Cross multiply
   622,227x = 1,329,744 × 1,329,744
4. Step 4: Simplify right side
   622,227x = 1,768,219,105,536
5. Step 5: Solve for x
   x = 1,768,219,105,536/622,227
6. Step 6: Final answer
   x = 2,841,758.88