Finding the Third Proportional to 107,434.50 and 231,625.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,434.50 : 231,625.50 = 231,625.50 : x
2. Step 2: Convert to fraction form
   107,434.50/231,625.50 = 231,625.50/x
3. Step 3: Cross multiply
   107,434.50x = 231,625.50 × 231,625.50
4. Step 4: Simplify right side
   107,434.50x = 53,650,372,250.25
5. Step 5: Solve for x
   x = 53,650,372,250.25/107,434.50
6. Step 6: Final answer
   x = 499,377.50