Finding the Third Proportional to 2,644,917 and 3,957,123

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644,917 : 3,957,123 = 3,957,123 : x
2. Step 2: Convert to fraction form
   2,644,917/3,957,123 = 3,957,123/x
3. Step 3: Cross multiply
   2,644,917x = 3,957,123 × 3,957,123
4. Step 4: Simplify right side
   2,644,917x = 15,658,822,437,129
5. Step 5: Solve for x
   x = 15,658,822,437,129/2,644,917
6. Step 6: Final answer
   x = 5,920,345.49