Finding the Third Proportional to 15,025.50 and 21,472.59

Step by Step Solution

1. Step 1: Write the proportion equation
   15,025.50 : 21,472.59 = 21,472.59 : x
2. Step 2: Convert to fraction form
   15,025.50/21,472.59 = 21,472.59/x
3. Step 3: Cross multiply
   15,025.50x = 21,472.59 × 21,472.59
4. Step 4: Simplify right side
   15,025.50x = 461,072,282.35
5. Step 5: Solve for x
   x = 461,072,282.35/15,025.50
6. Step 6: Final answer
   x = 30,685.99