Finding the Third Proportional to 500,642 and 1,036,768

Step by Step Solution

1. Step 1: Write the proportion equation
   500,642 : 1,036,768 = 1,036,768 : x
2. Step 2: Convert to fraction form
   500,642/1,036,768 = 1,036,768/x
3. Step 3: Cross multiply
   500,642x = 1,036,768 × 1,036,768
4. Step 4: Simplify right side
   500,642x = 1,074,887,885,824
5. Step 5: Solve for x
   x = 1,074,887,885,824/500,642
6. Step 6: Final answer
   x = 2,147,019.00