Finding the Third Proportional to 40,772 and 60,402

Step by Step Solution

1. Step 1: Write the proportion equation
   40,772 : 60,402 = 60,402 : x
2. Step 2: Convert to fraction form
   40,772/60,402 = 60,402/x
3. Step 3: Cross multiply
   40,772x = 60,402 × 60,402
4. Step 4: Simplify right side
   40,772x = 3,648,401,604
5. Step 5: Solve for x
   x = 3,648,401,604/40,772
6. Step 6: Final answer
   x = 89,483.02