Finding the Third Proportional to 581,728 and 1,268,576

Step by Step Solution

1. Step 1: Write the proportion equation
   581,728 : 1,268,576 = 1,268,576 : x
2. Step 2: Convert to fraction form
   581,728/1,268,576 = 1,268,576/x
3. Step 3: Cross multiply
   581,728x = 1,268,576 × 1,268,576
4. Step 4: Simplify right side
   581,728x = 1,609,285,067,776
5. Step 5: Solve for x
   x = 1,609,285,067,776/581,728
6. Step 6: Final answer
   x = 2,766,387.50