Finding the Third Proportional to 1,280,720 and 1,854,948

Step by Step Solution

1. Step 1: Write the proportion equation
   1,280,720 : 1,854,948 = 1,854,948 : x
2. Step 2: Convert to fraction form
   1,280,720/1,854,948 = 1,854,948/x
3. Step 3: Cross multiply
   1,280,720x = 1,854,948 × 1,854,948
4. Step 4: Simplify right side
   1,280,720x = 3,440,832,082,704
5. Step 5: Solve for x
   x = 3,440,832,082,704/1,280,720
6. Step 6: Final answer
   x = 2,686,638.83