Finding the Third Proportional to 40,785.75 and 57,431.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,785.75 : 57,431.25 = 57,431.25 : x
2. Step 2: Convert to fraction form
   40,785.75/57,431.25 = 57,431.25/x
3. Step 3: Cross multiply
   40,785.75x = 57,431.25 × 57,431.25
4. Step 4: Simplify right side
   40,785.75x = 3,298,348,476.56
5. Step 5: Solve for x
   x = 3,298,348,476.56/40,785.75
6. Step 6: Final answer
   x = 80,870.12