Finding the Third Proportional to 2,581,206 and 4,009,869

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,206 : 4,009,869 = 4,009,869 : x
2. Step 2: Convert to fraction form
   2,581,206/4,009,869 = 4,009,869/x
3. Step 3: Cross multiply
   2,581,206x = 4,009,869 × 4,009,869
4. Step 4: Simplify right side
   2,581,206x = 16,079,049,397,161
5. Step 5: Solve for x
   x = 16,079,049,397,161/2,581,206
6. Step 6: Final answer
   x = 6,229,277.86