Finding the Third Proportional to 39,663 and 59,305.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,663 : 59,305.50 = 59,305.50 : x
2. Step 2: Convert to fraction form
   39,663/59,305.50 = 59,305.50/x
3. Step 3: Cross multiply
   39,663x = 59,305.50 × 59,305.50
4. Step 4: Simplify right side
   39,663x = 3,517,142,330.25
5. Step 5: Solve for x
   x = 3,517,142,330.25/39,663
6. Step 6: Final answer
   x = 88,675.65