Finding the Third Proportional to 708,876 and 1,555,540

Step by Step Solution

1. Step 1: Write the proportion equation
   708,876 : 1,555,540 = 1,555,540 : x
2. Step 2: Convert to fraction form
   708,876/1,555,540 = 1,555,540/x
3. Step 3: Cross multiply
   708,876x = 1,555,540 × 1,555,540
4. Step 4: Simplify right side
   708,876x = 2,419,704,691,600
5. Step 5: Solve for x
   x = 2,419,704,691,600/708,876
6. Step 6: Final answer
   x = 3,413,438.59