Finding the Third Proportional to 36,400.50 and 54,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,400.50 : 54,857.50 = 54,857.50 : x
2. Step 2: Convert to fraction form
   36,400.50/54,857.50 = 54,857.50/x
3. Step 3: Cross multiply
   36,400.50x = 54,857.50 × 54,857.50
4. Step 4: Simplify right side
   36,400.50x = 3,009,345,306.25
5. Step 5: Solve for x
   x = 3,009,345,306.25/36,400.50
6. Step 6: Final answer
   x = 82,673.19