Finding the Third Proportional to 40,729.50 and 54,060.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,729.50 : 54,060.75 = 54,060.75 : x
2. Step 2: Convert to fraction form
   40,729.50/54,060.75 = 54,060.75/x
3. Step 3: Cross multiply
   40,729.50x = 54,060.75 × 54,060.75
4. Step 4: Simplify right side
   40,729.50x = 2,922,564,690.56
5. Step 5: Solve for x
   x = 2,922,564,690.56/40,729.50
6. Step 6: Final answer
   x = 71,755.48