Finding the Third Proportional to 36,613.50 and 54,775.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,613.50 : 54,775.50 = 54,775.50 : x
2. Step 2: Convert to fraction form
   36,613.50/54,775.50 = 54,775.50/x
3. Step 3: Cross multiply
   36,613.50x = 54,775.50 × 54,775.50
4. Step 4: Simplify right side
   36,613.50x = 3,000,355,400.25
5. Step 5: Solve for x
   x = 3,000,355,400.25/36,613.50
6. Step 6: Final answer
   x = 81,946.70