Finding the Third Proportional to 485,111 and 1,036,721

Step by Step Solution

1. Step 1: Write the proportion equation
   485,111 : 1,036,721 = 1,036,721 : x
2. Step 2: Convert to fraction form
   485,111/1,036,721 = 1,036,721/x
3. Step 3: Cross multiply
   485,111x = 1,036,721 × 1,036,721
4. Step 4: Simplify right side
   485,111x = 1,074,790,431,841
5. Step 5: Solve for x
   x = 1,074,790,431,841/485,111
6. Step 6: Final answer
   x = 2,215,555.68