Finding the Third Proportional to 1,121,920 and 2,414,912

Step by Step Solution

1. Step 1: Write the proportion equation
   1,121,920 : 2,414,912 = 2,414,912 : x
2. Step 2: Convert to fraction form
   1,121,920/2,414,912 = 2,414,912/x
3. Step 3: Cross multiply
   1,121,920x = 2,414,912 × 2,414,912
4. Step 4: Simplify right side
   1,121,920x = 5,831,799,967,744
5. Step 5: Solve for x
   x = 5,831,799,967,744/1,121,920
6. Step 6: Final answer
   x = 5,198,053.31