Finding the Third Proportional to 613,497 and 1,257,531

Step by Step Solution

1. Step 1: Write the proportion equation
   613,497 : 1,257,531 = 1,257,531 : x
2. Step 2: Convert to fraction form
   613,497/1,257,531 = 1,257,531/x
3. Step 3: Cross multiply
   613,497x = 1,257,531 × 1,257,531
4. Step 4: Simplify right side
   613,497x = 1,581,384,215,961
5. Step 5: Solve for x
   x = 1,581,384,215,961/613,497
6. Step 6: Final answer
   x = 2,577,655.99