Finding the Third Proportional to 627,740 and 1,337,605

Step by Step Solution

1. Step 1: Write the proportion equation
   627,740 : 1,337,605 = 1,337,605 : x
2. Step 2: Convert to fraction form
   627,740/1,337,605 = 1,337,605/x
3. Step 3: Cross multiply
   627,740x = 1,337,605 × 1,337,605
4. Step 4: Simplify right side
   627,740x = 1,789,187,136,025
5. Step 5: Solve for x
   x = 1,789,187,136,025/627,740
6. Step 6: Final answer
   x = 2,850,204.12