Finding the Third Proportional to 131,496 and 279,372

Step by Step Solution

1. Step 1: Write the proportion equation
   131,496 : 279,372 = 279,372 : x
2. Step 2: Convert to fraction form
   131,496/279,372 = 279,372/x
3. Step 3: Cross multiply
   131,496x = 279,372 × 279,372
4. Step 4: Simplify right side
   131,496x = 78,048,714,384
5. Step 5: Solve for x
   x = 78,048,714,384/131,496
6. Step 6: Final answer
   x = 593,544.40