Finding the Third Proportional to 1,854,674 and 3,908,612

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,674 : 3,908,612 = 3,908,612 : x
2. Step 2: Convert to fraction form
   1,854,674/3,908,612 = 3,908,612/x
3. Step 3: Cross multiply
   1,854,674x = 3,908,612 × 3,908,612
4. Step 4: Simplify right side
   1,854,674x = 15,277,247,766,544
5. Step 5: Solve for x
   x = 15,277,247,766,544/1,854,674
6. Step 6: Final answer
   x = 8,237,160.69