Finding the Third Proportional to 561,920 and 1,242,016

Step by Step Solution

1. Step 1: Write the proportion equation
   561,920 : 1,242,016 = 1,242,016 : x
2. Step 2: Convert to fraction form
   561,920/1,242,016 = 1,242,016/x
3. Step 3: Cross multiply
   561,920x = 1,242,016 × 1,242,016
4. Step 4: Simplify right side
   561,920x = 1,542,603,744,256
5. Step 5: Solve for x
   x = 1,542,603,744,256/561,920
6. Step 6: Final answer
   x = 2,745,237.30