Finding the Third Proportional to 40,160.81 and 57,365.72

Step by Step Solution

1. Step 1: Write the proportion equation
   40,160.81 : 57,365.72 = 57,365.72 : x
2. Step 2: Convert to fraction form
   40,160.81/57,365.72 = 57,365.72/x
3. Step 3: Cross multiply
   40,160.81x = 57,365.72 × 57,365.72
4. Step 4: Simplify right side
   40,160.81x = 3,290,825,687.70
5. Step 5: Solve for x
   x = 3,290,825,687.70/40,160.81
6. Step 6: Final answer
   x = 81,941.21