Finding the Third Proportional to 32,499 and 67,180.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,499 : 67,180.50 = 67,180.50 : x
2. Step 2: Convert to fraction form
   32,499/67,180.50 = 67,180.50/x
3. Step 3: Cross multiply
   32,499x = 67,180.50 × 67,180.50
4. Step 4: Simplify right side
   32,499x = 4,513,219,580.25
5. Step 5: Solve for x
   x = 4,513,219,580.25/32,499
6. Step 6: Final answer
   x = 138,872.57