Finding the Third Proportional to 1,281,586 and 2,728,817

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,586 : 2,728,817 = 2,728,817 : x
2. Step 2: Convert to fraction form
   1,281,586/2,728,817 = 2,728,817/x
3. Step 3: Cross multiply
   1,281,586x = 2,728,817 × 2,728,817
4. Step 4: Simplify right side
   1,281,586x = 7,446,442,219,489
5. Step 5: Solve for x
   x = 7,446,442,219,489/1,281,586
6. Step 6: Final answer
   x = 5,810,333.62