Finding the Third Proportional to 81,226 and 126,255.50

Step by Step Solution

1. Step 1: Write the proportion equation
   81,226 : 126,255.50 = 126,255.50 : x
2. Step 2: Convert to fraction form
   81,226/126,255.50 = 126,255.50/x
3. Step 3: Cross multiply
   81,226x = 126,255.50 × 126,255.50
4. Step 4: Simplify right side
   81,226x = 15,940,451,280.25
5. Step 5: Solve for x
   x = 15,940,451,280.25/81,226
6. Step 6: Final answer
   x = 196,248.14