Finding the Third Proportional to 40,986 and 89,694

Step by Step Solution

1. Step 1: Write the proportion equation
   40,986 : 89,694 = 89,694 : x
2. Step 2: Convert to fraction form
   40,986/89,694 = 89,694/x
3. Step 3: Cross multiply
   40,986x = 89,694 × 89,694
4. Step 4: Simplify right side
   40,986x = 8,045,013,636
5. Step 5: Solve for x
   x = 8,045,013,636/40,986
6. Step 6: Final answer
   x = 196,286.87