Finding the Third Proportional to 107,712.50 and 230,085.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,712.50 : 230,085.50 = 230,085.50 : x
2. Step 2: Convert to fraction form
   107,712.50/230,085.50 = 230,085.50/x
3. Step 3: Cross multiply
   107,712.50x = 230,085.50 × 230,085.50
4. Step 4: Simplify right side
   107,712.50x = 52,939,337,310.25
5. Step 5: Solve for x
   x = 52,939,337,310.25/107,712.50
6. Step 6: Final answer
   x = 491,487.41