Finding the Third Proportional to 708,916 and 1,555,628

Step by Step Solution

1. Step 1: Write the proportion equation
   708,916 : 1,555,628 = 1,555,628 : x
2. Step 2: Convert to fraction form
   708,916/1,555,628 = 1,555,628/x
3. Step 3: Cross multiply
   708,916x = 1,555,628 × 1,555,628
4. Step 4: Simplify right side
   708,916x = 2,419,978,474,384
5. Step 5: Solve for x
   x = 2,419,978,474,384/708,916
6. Step 6: Final answer
   x = 3,413,632.19