Finding the Third Proportional to 127,012 and 279,940

Step by Step Solution

1. Step 1: Write the proportion equation
   127,012 : 279,940 = 279,940 : x
2. Step 2: Convert to fraction form
   127,012/279,940 = 279,940/x
3. Step 3: Cross multiply
   127,012x = 279,940 × 279,940
4. Step 4: Simplify right side
   127,012x = 78,366,403,600
5. Step 5: Solve for x
   x = 78,366,403,600/127,012
6. Step 6: Final answer
   x = 617,000.00