Finding the Third Proportional to 10,287.50 and 22,761.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,287.50 : 22,761.50 = 22,761.50 : x
2. Step 2: Convert to fraction form
   10,287.50/22,761.50 = 22,761.50/x
3. Step 3: Cross multiply
   10,287.50x = 22,761.50 × 22,761.50
4. Step 4: Simplify right side
   10,287.50x = 518,085,882.25
5. Step 5: Solve for x
   x = 518,085,882.25/10,287.50
6. Step 6: Final answer
   x = 50,360.72