Finding the Third Proportional to 36,403.50 and 54,861.75

Step by Step Solution

1. Step 1: Write the proportion equation
   36,403.50 : 54,861.75 = 54,861.75 : x
2. Step 2: Convert to fraction form
   36,403.50/54,861.75 = 54,861.75/x
3. Step 3: Cross multiply
   36,403.50x = 54,861.75 × 54,861.75
4. Step 4: Simplify right side
   36,403.50x = 3,009,811,613.06
5. Step 5: Solve for x
   x = 3,009,811,613.06/36,403.50
6. Step 6: Final answer
   x = 82,679.18