Finding the Third Proportional to 681,706 and 1,036,722

Step by Step Solution

1. Step 1: Write the proportion equation
   681,706 : 1,036,722 = 1,036,722 : x
2. Step 2: Convert to fraction form
   681,706/1,036,722 = 1,036,722/x
3. Step 3: Cross multiply
   681,706x = 1,036,722 × 1,036,722
4. Step 4: Simplify right side
   681,706x = 1,074,792,505,284
5. Step 5: Solve for x
   x = 1,074,792,505,284/681,706
6. Step 6: Final answer
   x = 1,576,621.75