Finding the Third Proportional to 40,790.50 and 57,442.75

Step by Step Solution

1. Step 1: Write the proportion equation
   40,790.50 : 57,442.75 = 57,442.75 : x
2. Step 2: Convert to fraction form
   40,790.50/57,442.75 = 57,442.75/x
3. Step 3: Cross multiply
   40,790.50x = 57,442.75 × 57,442.75
4. Step 4: Simplify right side
   40,790.50x = 3,299,669,527.56
5. Step 5: Solve for x
   x = 3,299,669,527.56/40,790.50
6. Step 6: Final answer
   x = 80,893.09