Finding the Third Proportional to 131,256 and 268,049.25

Step by Step Solution

1. Step 1: Write the proportion equation
   131,256 : 268,049.25 = 268,049.25 : x
2. Step 2: Convert to fraction form
   131,256/268,049.25 = 268,049.25/x
3. Step 3: Cross multiply
   131,256x = 268,049.25 × 268,049.25
4. Step 4: Simplify right side
   131,256x = 71,850,400,425.56
5. Step 5: Solve for x
   x = 71,850,400,425.56/131,256
6. Step 6: Final answer
   x = 547,406.60