Finding the Third Proportional to 40,640 and 88,728

Step by Step Solution

1. Step 1: Write the proportion equation
   40,640 : 88,728 = 88,728 : x
2. Step 2: Convert to fraction form
   40,640/88,728 = 88,728/x
3. Step 3: Cross multiply
   40,640x = 88,728 × 88,728
4. Step 4: Simplify right side
   40,640x = 7,872,657,984
5. Step 5: Solve for x
   x = 7,872,657,984/40,640
6. Step 6: Final answer
   x = 193,716.98