Finding the Third Proportional to 279,002 and 619,996

Step by Step Solution

1. Step 1: Write the proportion equation
   279,002 : 619,996 = 619,996 : x
2. Step 2: Convert to fraction form
   279,002/619,996 = 619,996/x
3. Step 3: Cross multiply
   279,002x = 619,996 × 619,996
4. Step 4: Simplify right side
   279,002x = 384,395,040,016
5. Step 5: Solve for x
   x = 384,395,040,016/279,002
6. Step 6: Final answer
   x = 1,377,750.12