Finding the Third Proportional to 127,112 and 279,760

Step by Step Solution

1. Step 1: Write the proportion equation
   127,112 : 279,760 = 279,760 : x
2. Step 2: Convert to fraction form
   127,112/279,760 = 279,760/x
3. Step 3: Cross multiply
   127,112x = 279,760 × 279,760
4. Step 4: Simplify right side
   127,112x = 78,265,657,600
5. Step 5: Solve for x
   x = 78,265,657,600/127,112
6. Step 6: Final answer
   x = 615,722.02