Finding the Third Proportional to 1,555,357 and 3,234,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,555,357 : 3,234,872 = 3,234,872 : x
2. Step 2: Convert to fraction form
   1,555,357/3,234,872 = 3,234,872/x
3. Step 3: Cross multiply
   1,555,357x = 3,234,872 × 3,234,872
4. Step 4: Simplify right side
   1,555,357x = 10,464,396,856,384
5. Step 5: Solve for x
   x = 10,464,396,856,384/1,555,357
6. Step 6: Final answer
   x = 6,727,971.04