Finding the Third Proportional to 21,575.25 and 29,149.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,575.25 : 29,149.50 = 29,149.50 : x
2. Step 2: Convert to fraction form
   21,575.25/29,149.50 = 29,149.50/x
3. Step 3: Cross multiply
   21,575.25x = 29,149.50 × 29,149.50
4. Step 4: Simplify right side
   21,575.25x = 849,693,350.25
5. Step 5: Solve for x
   x = 849,693,350.25/21,575.25
6. Step 6: Final answer
   x = 39,382.78