Finding the Third Proportional to 2,105,820 and 3,391,308

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,820 : 3,391,308 = 3,391,308 : x
2. Step 2: Convert to fraction form
   2,105,820/3,391,308 = 3,391,308/x
3. Step 3: Cross multiply
   2,105,820x = 3,391,308 × 3,391,308
4. Step 4: Simplify right side
   2,105,820x = 11,500,969,950,864
5. Step 5: Solve for x
   x = 11,500,969,950,864/2,105,820
6. Step 6: Final answer
   x = 5,461,516.16