Finding the Third Proportional to 40,636 and 88,664

Step by Step Solution

1. Step 1: Write the proportion equation
   40,636 : 88,664 = 88,664 : x
2. Step 2: Convert to fraction form
   40,636/88,664 = 88,664/x
3. Step 3: Cross multiply
   40,636x = 88,664 × 88,664
4. Step 4: Simplify right side
   40,636x = 7,861,304,896
5. Step 5: Solve for x
   x = 7,861,304,896/40,636
6. Step 6: Final answer
   x = 193,456.66