Finding the Third Proportional to 86,118.50 and 126,626

Step by Step Solution

1. Step 1: Write the proportion equation
   86,118.50 : 126,626 = 126,626 : x
2. Step 2: Convert to fraction form
   86,118.50/126,626 = 126,626/x
3. Step 3: Cross multiply
   86,118.50x = 126,626 × 126,626
4. Step 4: Simplify right side
   86,118.50x = 16,034,143,876
5. Step 5: Solve for x
   x = 16,034,143,876/86,118.50
6. Step 6: Final answer
   x = 186,186.99