Finding the Third Proportional to 39,168.88 and 80,411.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,168.88 : 80,411.50 = 80,411.50 : x
2. Step 2: Convert to fraction form
   39,168.88/80,411.50 = 80,411.50/x
3. Step 3: Cross multiply
   39,168.88x = 80,411.50 × 80,411.50
4. Step 4: Simplify right side
   39,168.88x = 6,466,009,332.25
5. Step 5: Solve for x
   x = 6,466,009,332.25/39,168.88
6. Step 6: Final answer
   x = 165,080.29