Finding the Third Proportional to 39,435.75 and 59,623.88

Step by Step Solution

1. Step 1: Write the proportion equation
   39,435.75 : 59,623.88 = 59,623.88 : x
2. Step 2: Convert to fraction form
   39,435.75/59,623.88 = 59,623.88/x
3. Step 3: Cross multiply
   39,435.75x = 59,623.88 × 59,623.88
4. Step 4: Simplify right side
   39,435.75x = 3,555,006,470.02
5. Step 5: Solve for x
   x = 3,555,006,470.02/39,435.75
6. Step 6: Final answer
   x = 90,146.79