Finding the Third Proportional to 29,272.50 and 63,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   29,272.50 : 63,472.50 = 63,472.50 : x
2. Step 2: Convert to fraction form
   29,272.50/63,472.50 = 63,472.50/x
3. Step 3: Cross multiply
   29,272.50x = 63,472.50 × 63,472.50
4. Step 4: Simplify right side
   29,272.50x = 4,028,758,256.25
5. Step 5: Solve for x
   x = 4,028,758,256.25/29,272.50
6. Step 6: Final answer
   x = 137,629.46