Finding the Third Proportional to 681,694 and 1,036,704

Step by Step Solution

1. Step 1: Write the proportion equation
   681,694 : 1,036,704 = 1,036,704 : x
2. Step 2: Convert to fraction form
   681,694/1,036,704 = 1,036,704/x
3. Step 3: Cross multiply
   681,694x = 1,036,704 × 1,036,704
4. Step 4: Simplify right side
   681,694x = 1,074,755,183,616
5. Step 5: Solve for x
   x = 1,074,755,183,616/681,694
6. Step 6: Final answer
   x = 1,576,594.75