Finding the Third Proportional to 231,862.50 and 488,632.50

Step by Step Solution

1. Step 1: Write the proportion equation
   231,862.50 : 488,632.50 = 488,632.50 : x
2. Step 2: Convert to fraction form
   231,862.50/488,632.50 = 488,632.50/x
3. Step 3: Cross multiply
   231,862.50x = 488,632.50 × 488,632.50
4. Step 4: Simplify right side
   231,862.50x = 238,761,720,056.25
5. Step 5: Solve for x
   x = 238,761,720,056.25/231,862.50
6. Step 6: Final answer
   x = 1,029,755.65