Finding the Third Proportional to 40,016 and 86,818

Step by Step Solution

1. Step 1: Write the proportion equation
   40,016 : 86,818 = 86,818 : x
2. Step 2: Convert to fraction form
   40,016/86,818 = 86,818/x
3. Step 3: Cross multiply
   40,016x = 86,818 × 86,818
4. Step 4: Simplify right side
   40,016x = 7,537,365,124
5. Step 5: Solve for x
   x = 7,537,365,124/40,016
6. Step 6: Final answer
   x = 188,358.78