Finding the Third Proportional to 131,128.50 and 273,327

Step by Step Solution

1. Step 1: Write the proportion equation
   131,128.50 : 273,327 = 273,327 : x
2. Step 2: Convert to fraction form
   131,128.50/273,327 = 273,327/x
3. Step 3: Cross multiply
   131,128.50x = 273,327 × 273,327
4. Step 4: Simplify right side
   131,128.50x = 74,707,648,929
5. Step 5: Solve for x
   x = 74,707,648,929/131,128.50
6. Step 6: Final answer
   x = 569,728.54