Finding the Third Proportional to 40,686 and 59,163

Step by Step Solution

1. Step 1: Write the proportion equation
   40,686 : 59,163 = 59,163 : x
2. Step 2: Convert to fraction form
   40,686/59,163 = 59,163/x
3. Step 3: Cross multiply
   40,686x = 59,163 × 59,163
4. Step 4: Simplify right side
   40,686x = 3,500,260,569
5. Step 5: Solve for x
   x = 3,500,260,569/40,686
6. Step 6: Final answer
   x = 86,031.08