Finding the Third Proportional to 29,139.75 and 63,468.56

Step by Step Solution

1. Step 1: Write the proportion equation
   29,139.75 : 63,468.56 = 63,468.56 : x
2. Step 2: Convert to fraction form
   29,139.75/63,468.56 = 63,468.56/x
3. Step 3: Cross multiply
   29,139.75x = 63,468.56 × 63,468.56
4. Step 4: Simplify right side
   29,139.75x = 4,028,258,425.82
5. Step 5: Solve for x
   x = 4,028,258,425.82/29,139.75
6. Step 6: Final answer
   x = 138,239.29