Finding the Third Proportional to 36,403.50 and 54,939.38

Step by Step Solution

1. Step 1: Write the proportion equation
   36,403.50 : 54,939.38 = 54,939.38 : x
2. Step 2: Convert to fraction form
   36,403.50/54,939.38 = 54,939.38/x
3. Step 3: Cross multiply
   36,403.50x = 54,939.38 × 54,939.38
4. Step 4: Simplify right side
   36,403.50x = 3,018,334,925.39
5. Step 5: Solve for x
   x = 3,018,334,925.39/36,403.50
6. Step 6: Final answer
   x = 82,913.32