Finding the Third Proportional to 131,364 and 273,211.88

Step by Step Solution

1. Step 1: Write the proportion equation
   131,364 : 273,211.88 = 273,211.88 : x
2. Step 2: Convert to fraction form
   131,364/273,211.88 = 273,211.88/x
3. Step 3: Cross multiply
   131,364x = 273,211.88 × 273,211.88
4. Step 4: Simplify right side
   131,364x = 74,644,728,641.02
5. Step 5: Solve for x
   x = 74,644,728,641.02/131,364
6. Step 6: Final answer
   x = 568,228.20