Finding the Third Proportional to 500,576 and 1,036,638

Step by Step Solution

1. Step 1: Write the proportion equation
   500,576 : 1,036,638 = 1,036,638 : x
2. Step 2: Convert to fraction form
   500,576/1,036,638 = 1,036,638/x
3. Step 3: Cross multiply
   500,576x = 1,036,638 × 1,036,638
4. Step 4: Simplify right side
   500,576x = 1,074,618,343,044
5. Step 5: Solve for x
   x = 1,074,618,343,044/500,576
6. Step 6: Final answer
   x = 2,146,763.61