Finding the Third Proportional to 40,789 and 60,425

Step by Step Solution

1. Step 1: Write the proportion equation
   40,789 : 60,425 = 60,425 : x
2. Step 2: Convert to fraction form
   40,789/60,425 = 60,425/x
3. Step 3: Cross multiply
   40,789x = 60,425 × 60,425
4. Step 4: Simplify right side
   40,789x = 3,651,180,625
5. Step 5: Solve for x
   x = 3,651,180,625/40,789
6. Step 6: Final answer
   x = 89,513.85