Finding the Third Proportional to 1,099,128 and 2,391,804

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099,128 : 2,391,804 = 2,391,804 : x
2. Step 2: Convert to fraction form
   1,099,128/2,391,804 = 2,391,804/x
3. Step 3: Cross multiply
   1,099,128x = 2,391,804 × 2,391,804
4. Step 4: Simplify right side
   1,099,128x = 5,720,726,374,416
5. Step 5: Solve for x
   x = 5,720,726,374,416/1,099,128
6. Step 6: Final answer
   x = 5,204,786.32