Finding the Third Proportional to 2,581,226 and 4,009,899

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581,226 : 4,009,899 = 4,009,899 : x
2. Step 2: Convert to fraction form
   2,581,226/4,009,899 = 4,009,899/x
3. Step 3: Cross multiply
   2,581,226x = 4,009,899 × 4,009,899
4. Step 4: Simplify right side
   2,581,226x = 16,079,289,990,201
5. Step 5: Solve for x
   x = 16,079,289,990,201/2,581,226
6. Step 6: Final answer
   x = 6,229,322.81