Finding the Third Proportional to 2,581,228 and 4,009,902

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,228 : 4,009,902 = 4,009,902 : x
2. Step 2: Convert to fraction form
   2,581,228/4,009,902 = 4,009,902/x
3. Step 3: Cross multiply
   2,581,228x = 4,009,902 × 4,009,902
4. Step 4: Simplify right side
   2,581,228x = 16,079,314,049,604
5. Step 5: Solve for x
   x = 16,079,314,049,604/2,581,228
6. Step 6: Final answer
   x = 6,229,327.30