Finding the Third Proportional to 130,050 and 279,499

Step by Step Solution

1. Step 1: Write the proportion equation
   130,050 : 279,499 = 279,499 : x
2. Step 2: Convert to fraction form
   130,050/279,499 = 279,499/x
3. Step 3: Cross multiply
   130,050x = 279,499 × 279,499
4. Step 4: Simplify right side
   130,050x = 78,119,691,001
5. Step 5: Solve for x
   x = 78,119,691,001/130,050
6. Step 6: Final answer
   x = 600,689.67