Finding the Third Proportional to 137,568 and 279,552

Step by Step Solution

1. Step 1: Write the proportion equation
   137,568 : 279,552 = 279,552 : x
2. Step 2: Convert to fraction form
   137,568/279,552 = 279,552/x
3. Step 3: Cross multiply
   137,568x = 279,552 × 279,552
4. Step 4: Simplify right side
   137,568x = 78,149,320,704
5. Step 5: Solve for x
   x = 78,149,320,704/137,568
6. Step 6: Final answer
   x = 568,077.76