Finding the Third Proportional to 40,857 and 59,664

Step by Step Solution

1. Step 1: Write the proportion equation
   40,857 : 59,664 = 59,664 : x
2. Step 2: Convert to fraction form
   40,857/59,664 = 59,664/x
3. Step 3: Cross multiply
   40,857x = 59,664 × 59,664
4. Step 4: Simplify right side
   40,857x = 3,559,792,896
5. Step 5: Solve for x
   x = 3,559,792,896/40,857
6. Step 6: Final answer
   x = 87,128.10