Finding the Third Proportional to 127,132 and 279,654

Step by Step Solution

1. Step 1: Write the proportion equation
   127,132 : 279,654 = 279,654 : x
2. Step 2: Convert to fraction form
   127,132/279,654 = 279,654/x
3. Step 3: Cross multiply
   127,132x = 279,654 × 279,654
4. Step 4: Simplify right side
   127,132x = 78,206,359,716
5. Step 5: Solve for x
   x = 78,206,359,716/127,132
6. Step 6: Final answer
   x = 615,158.73