Finding the Third Proportional to 1,808,676 and 3,981,681

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808,676 : 3,981,681 = 3,981,681 : x
2. Step 2: Convert to fraction form
   1,808,676/3,981,681 = 3,981,681/x
3. Step 3: Cross multiply
   1,808,676x = 3,981,681 × 3,981,681
4. Step 4: Simplify right side
   1,808,676x = 15,853,783,585,761
5. Step 5: Solve for x
   x = 15,853,783,585,761/1,808,676
6. Step 6: Final answer
   x = 8,765,408.28