Finding the Third Proportional to 681,256 and 1,008,693

Step by Step Solution

1. Step 1: Write the proportion equation
   681,256 : 1,008,693 = 1,008,693 : x
2. Step 2: Convert to fraction form
   681,256/1,008,693 = 1,008,693/x
3. Step 3: Cross multiply
   681,256x = 1,008,693 × 1,008,693
4. Step 4: Simplify right side
   681,256x = 1,017,461,568,249
5. Step 5: Solve for x
   x = 1,017,461,568,249/681,256
6. Step 6: Final answer
   x = 1,493,508.41