Finding the Third Proportional to 40,626 and 57,915

Step by Step Solution

1. Step 1: Write the proportion equation
   40,626 : 57,915 = 57,915 : x
2. Step 2: Convert to fraction form
   40,626/57,915 = 57,915/x
3. Step 3: Cross multiply
   40,626x = 57,915 × 57,915
4. Step 4: Simplify right side
   40,626x = 3,354,147,225
5. Step 5: Solve for x
   x = 3,354,147,225/40,626
6. Step 6: Final answer
   x = 82,561.59