Finding the Third Proportional to 681,704 and 1,036,719

Step by Step Solution

1. Step 1: Write the proportion equation
   681,704 : 1,036,719 = 1,036,719 : x
2. Step 2: Convert to fraction form
   681,704/1,036,719 = 1,036,719/x
3. Step 3: Cross multiply
   681,704x = 1,036,719 × 1,036,719
4. Step 4: Simplify right side
   681,704x = 1,074,786,284,961
5. Step 5: Solve for x
   x = 1,074,786,284,961/681,704
6. Step 6: Final answer
   x = 1,576,617.25