Finding the Third Proportional to 127,992 and 279,096

Step by Step Solution

1. Step 1: Write the proportion equation
   127,992 : 279,096 = 279,096 : x
2. Step 2: Convert to fraction form
   127,992/279,096 = 279,096/x
3. Step 3: Cross multiply
   127,992x = 279,096 × 279,096
4. Step 4: Simplify right side
   127,992x = 77,894,577,216
5. Step 5: Solve for x
   x = 77,894,577,216/127,992
6. Step 6: Final answer
   x = 608,589.42