Finding the Third Proportional to 1,854,826 and 3,908,911

Step by Step Solution

1. Step 1: Write the proportion equation
   1,854,826 : 3,908,911 = 3,908,911 : x
2. Step 2: Convert to fraction form
   1,854,826/3,908,911 = 3,908,911/x
3. Step 3: Cross multiply
   1,854,826x = 3,908,911 × 3,908,911
4. Step 4: Simplify right side
   1,854,826x = 15,279,585,205,921
5. Step 5: Solve for x
   x = 15,279,585,205,921/1,854,826
6. Step 6: Final answer
   x = 8,237,745.86