Finding the Third Proportional to 80,739 and 126,013.50

Step by Step Solution

1. Step 1: Write the proportion equation
   80,739 : 126,013.50 = 126,013.50 : x
2. Step 2: Convert to fraction form
   80,739/126,013.50 = 126,013.50/x
3. Step 3: Cross multiply
   80,739x = 126,013.50 × 126,013.50
4. Step 4: Simplify right side
   80,739x = 15,879,402,182.25
5. Step 5: Solve for x
   x = 15,879,402,182.25/80,739
6. Step 6: Final answer
   x = 196,675.74