Finding the Third Proportional to 127,002.50 and 279,922

Step by Step Solution

1. Step 1: Write the proportion equation
   127,002.50 : 279,922 = 279,922 : x
2. Step 2: Convert to fraction form
   127,002.50/279,922 = 279,922/x
3. Step 3: Cross multiply
   127,002.50x = 279,922 × 279,922
4. Step 4: Simplify right side
   127,002.50x = 78,356,326,084
5. Step 5: Solve for x
   x = 78,356,326,084/127,002.50
6. Step 6: Final answer
   x = 616,966.80