Finding the Third Proportional to 36,658.50 and 55,648.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,658.50 : 55,648.50 = 55,648.50 : x
2. Step 2: Convert to fraction form
   36,658.50/55,648.50 = 55,648.50/x
3. Step 3: Cross multiply
   36,658.50x = 55,648.50 × 55,648.50
4. Step 4: Simplify right side
   36,658.50x = 3,096,755,552.25
5. Step 5: Solve for x
   x = 3,096,755,552.25/36,658.50
6. Step 6: Final answer
   x = 84,475.78