Finding the Third Proportional to 12,538,287 and 25,607,898

Step by Step Solution

1. Step 1: Write the proportion equation
   12,538,287 : 25,607,898 = 25,607,898 : x
2. Step 2: Convert to fraction form
   12,538,287/25,607,898 = 25,607,898/x
3. Step 3: Cross multiply
   12,538,287x = 25,607,898 × 25,607,898
4. Step 4: Simplify right side
   12,538,287x = 655,764,439,978,404
5. Step 5: Solve for x
   x = 655,764,439,978,404/12,538,287
6. Step 6: Final answer
   x = 52,300,959.45