Finding the Third Proportional to 59,727.38 and 90,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   59,727.38 : 90,355.50 = 90,355.50 : x
2. Step 2: Convert to fraction form
   59,727.38/90,355.50 = 90,355.50/x
3. Step 3: Cross multiply
   59,727.38x = 90,355.50 × 90,355.50
4. Step 4: Simplify right side
   59,727.38x = 8,164,116,380.25
5. Step 5: Solve for x
   x = 8,164,116,380.25/59,727.38
6. Step 6: Final answer
   x = 136,689.69