Finding the Third Proportional to 1,281,567 and 2,728,778

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,567 : 2,728,778 = 2,728,778 : x
2. Step 2: Convert to fraction form
   1,281,567/2,728,778 = 2,728,778/x
3. Step 3: Cross multiply
   1,281,567x = 2,728,778 × 2,728,778
4. Step 4: Simplify right side
   1,281,567x = 7,446,229,373,284
5. Step 5: Solve for x
   x = 7,446,229,373,284/1,281,567
6. Step 6: Final answer
   x = 5,810,253.68