Finding the Third Proportional to 88,657.50 and 192,385.88

Step by Step Solution

1. Step 1: Write the proportion equation
   88,657.50 : 192,385.88 = 192,385.88 : x
2. Step 2: Convert to fraction form
   88,657.50/192,385.88 = 192,385.88/x
3. Step 3: Cross multiply
   88,657.50x = 192,385.88 × 192,385.88
4. Step 4: Simplify right side
   88,657.50x = 37,012,324,899.52
5. Step 5: Solve for x
   x = 37,012,324,899.52/88,657.50
6. Step 6: Final answer
   x = 417,475.40