Finding the Third Proportional to 59,180.63 and 89,385.19

Step by Step Solution

1. Step 1: Write the proportion equation
   59,180.63 : 89,385.19 = 89,385.19 : x
2. Step 2: Convert to fraction form
   59,180.63/89,385.19 = 89,385.19/x
3. Step 3: Cross multiply
   59,180.63x = 89,385.19 × 89,385.19
4. Step 4: Simplify right side
   59,180.63x = 7,989,711,744.41
5. Step 5: Solve for x
   x = 7,989,711,744.41/59,180.63
6. Step 6: Final answer
   x = 135,005.53