Finding the Third Proportional to 127,132 and 274,256

Step by Step Solution

1. Step 1: Write the proportion equation
   127,132 : 274,256 = 274,256 : x
2. Step 2: Convert to fraction form
   127,132/274,256 = 274,256/x
3. Step 3: Cross multiply
   127,132x = 274,256 × 274,256
4. Step 4: Simplify right side
   127,132x = 75,216,353,536
5. Step 5: Solve for x
   x = 75,216,353,536/127,132
6. Step 6: Final answer
   x = 591,639.82