Finding the Third Proportional to 1,908,831 and 4,090,906

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908,831 : 4,090,906 = 4,090,906 : x
2. Step 2: Convert to fraction form
   1,908,831/4,090,906 = 4,090,906/x
3. Step 3: Cross multiply
   1,908,831x = 4,090,906 × 4,090,906
4. Step 4: Simplify right side
   1,908,831x = 16,735,511,900,836
5. Step 5: Solve for x
   x = 16,735,511,900,836/1,908,831
6. Step 6: Final answer
   x = 8,767,414.14