Finding the Third Proportional to 40,455 and 88,686

Step by Step Solution

1. Step 1: Write the proportion equation
   40,455 : 88,686 = 88,686 : x
2. Step 2: Convert to fraction form
   40,455/88,686 = 88,686/x
3. Step 3: Cross multiply
   40,455x = 88,686 × 88,686
4. Step 4: Simplify right side
   40,455x = 7,865,206,596
5. Step 5: Solve for x
   x = 7,865,206,596/40,455
6. Step 6: Final answer
   x = 194,418.65