Finding the Third Proportional to 1,081,920 and 2,308,649

Step by Step Solution

1. Step 1: Write the proportion equation
   1,081,920 : 2,308,649 = 2,308,649 : x
2. Step 2: Convert to fraction form
   1,081,920/2,308,649 = 2,308,649/x
3. Step 3: Cross multiply
   1,081,920x = 2,308,649 × 2,308,649
4. Step 4: Simplify right side
   1,081,920x = 5,329,860,205,201
5. Step 5: Solve for x
   x = 5,329,860,205,201/1,081,920
6. Step 6: Final answer
   x = 4,926,297.88