Finding the Third Proportional to 40,720.50 and 54,047.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,720.50 : 54,047.25 = 54,047.25 : x
2. Step 2: Convert to fraction form
   40,720.50/54,047.25 = 54,047.25/x
3. Step 3: Cross multiply
   40,720.50x = 54,047.25 × 54,047.25
4. Step 4: Simplify right side
   40,720.50x = 2,921,105,232.56
5. Step 5: Solve for x
   x = 2,921,105,232.56/40,720.50
6. Step 6: Final answer
   x = 71,735.50