Finding the Third Proportional to 127,296 and 279,054

Step by Step Solution

1. Step 1: Write the proportion equation
   127,296 : 279,054 = 279,054 : x
2. Step 2: Convert to fraction form
   127,296/279,054 = 279,054/x
3. Step 3: Cross multiply
   127,296x = 279,054 × 279,054
4. Step 4: Simplify right side
   127,296x = 77,871,134,916
5. Step 5: Solve for x
   x = 77,871,134,916/127,296
6. Step 6: Final answer
   x = 611,732.77