Finding the Third Proportional to 708,906 and 1,555,605

Step by Step Solution

1. Step 1: Write the proportion equation
   708,906 : 1,555,605 = 1,555,605 : x
2. Step 2: Convert to fraction form
   708,906/1,555,605 = 1,555,605/x
3. Step 3: Cross multiply
   708,906x = 1,555,605 × 1,555,605
4. Step 4: Simplify right side
   708,906x = 2,419,906,916,025
5. Step 5: Solve for x
   x = 2,419,906,916,025/708,906
6. Step 6: Final answer
   x = 3,413,579.40