Finding the Third Proportional to 1,281,573 and 2,728,791

Step by Step Solution

1. Step 1: Write the proportion equation
   1,281,573 : 2,728,791 = 2,728,791 : x
2. Step 2: Convert to fraction form
   1,281,573/2,728,791 = 2,728,791/x
3. Step 3: Cross multiply
   1,281,573x = 2,728,791 × 2,728,791
4. Step 4: Simplify right side
   1,281,573x = 7,446,300,321,681
5. Step 5: Solve for x
   x = 7,446,300,321,681/1,281,573
6. Step 6: Final answer
   x = 5,810,281.83