Finding the Third Proportional to 40,282 and 86,398

Step by Step Solution

1. Step 1: Write the proportion equation
   40,282 : 86,398 = 86,398 : x
2. Step 2: Convert to fraction form
   40,282/86,398 = 86,398/x
3. Step 3: Cross multiply
   40,282x = 86,398 × 86,398
4. Step 4: Simplify right side
   40,282x = 7,464,614,404
5. Step 5: Solve for x
   x = 7,464,614,404/40,282
6. Step 6: Final answer
   x = 185,308.93