Finding the Third Proportional to 2,644,984 and 3,957,216

Step by Step Solution

1. Step 1: Write the proportion equation
   2,644,984 : 3,957,216 = 3,957,216 : x
2. Step 2: Convert to fraction form
   2,644,984/3,957,216 = 3,957,216/x
3. Step 3: Cross multiply
   2,644,984x = 3,957,216 × 3,957,216
4. Step 4: Simplify right side
   2,644,984x = 15,659,558,470,656
5. Step 5: Solve for x
   x = 15,659,558,470,656/2,644,984
6. Step 6: Final answer
   x = 5,920,473.80