Finding the Third Proportional to 1,123,728 and 2,404,920

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,728 : 2,404,920 = 2,404,920 : x
2. Step 2: Convert to fraction form
   1,123,728/2,404,920 = 2,404,920/x
3. Step 3: Cross multiply
   1,123,728x = 2,404,920 × 2,404,920
4. Step 4: Simplify right side
   1,123,728x = 5,783,640,206,400
5. Step 5: Solve for x
   x = 5,783,640,206,400/1,123,728
6. Step 6: Final answer
   x = 5,146,832.87