Finding the Third Proportional to 572,959 and 1,247,870

Step by Step Solution

1. Step 1: Write the proportion equation
   572,959 : 1,247,870 = 1,247,870 : x
2. Step 2: Convert to fraction form
   572,959/1,247,870 = 1,247,870/x
3. Step 3: Cross multiply
   572,959x = 1,247,870 × 1,247,870
4. Step 4: Simplify right side
   572,959x = 1,557,179,536,900
5. Step 5: Solve for x
   x = 1,557,179,536,900/572,959
6. Step 6: Final answer
   x = 2,717,785.28