Finding the Third Proportional to 127,568.25 and 279,375

Step by Step Solution

1. Step 1: Write the proportion equation
   127,568.25 : 279,375 = 279,375 : x
2. Step 2: Convert to fraction form
   127,568.25/279,375 = 279,375/x
3. Step 3: Cross multiply
   127,568.25x = 279,375 × 279,375
4. Step 4: Simplify right side
   127,568.25x = 78,050,390,625
5. Step 5: Solve for x
   x = 78,050,390,625/127,568.25
6. Step 6: Final answer
   x = 611,832.42