Finding the Third Proportional to 40,702.50 and 54,816.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,702.50 : 54,816.75 = 54,816.75 : x
2. Step 2: Convert to fraction form
   40,702.50/54,816.75 = 54,816.75/x
3. Step 3: Cross multiply
   40,702.50x = 54,816.75 × 54,816.75
4. Step 4: Simplify right side
   40,702.50x = 3,004,876,080.56
5. Step 5: Solve for x
   x = 3,004,876,080.56/40,702.50
6. Step 6: Final answer
   x = 73,825.34