Finding the Third Proportional to 40,728 and 59,232

Step by Step Solution

1. Step 1: Write the proportion equation
   40,728 : 59,232 = 59,232 : x
2. Step 2: Convert to fraction form
   40,728/59,232 = 59,232/x
3. Step 3: Cross multiply
   40,728x = 59,232 × 59,232
4. Step 4: Simplify right side
   40,728x = 3,508,429,824
5. Step 5: Solve for x
   x = 3,508,429,824/40,728
6. Step 6: Final answer
   x = 86,142.94