Finding the Third Proportional to 2,010,881 and 4,309,609

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010,881 : 4,309,609 = 4,309,609 : x
2. Step 2: Convert to fraction form
   2,010,881/4,309,609 = 4,309,609/x
3. Step 3: Cross multiply
   2,010,881x = 4,309,609 × 4,309,609
4. Step 4: Simplify right side
   2,010,881x = 18,572,729,732,881
5. Step 5: Solve for x
   x = 18,572,729,732,881/2,010,881
6. Step 6: Final answer
   x = 9,236,115.78