Finding the Third Proportional to 87,998 and 116,686

Step by Step Solution

1. Step 1: Write the proportion equation
   87,998 : 116,686 = 116,686 : x
2. Step 2: Convert to fraction form
   87,998/116,686 = 116,686/x
3. Step 3: Cross multiply
   87,998x = 116,686 × 116,686
4. Step 4: Simplify right side
   87,998x = 13,615,622,596
5. Step 5: Solve for x
   x = 13,615,622,596/87,998
6. Step 6: Final answer
   x = 154,726.50