Finding the Third Proportional to 681,694 and 1,036,706

Step by Step Solution

1. Step 1: Write the proportion equation
   681,694 : 1,036,706 = 1,036,706 : x
2. Step 2: Convert to fraction form
   681,694/1,036,706 = 1,036,706/x
3. Step 3: Cross multiply
   681,694x = 1,036,706 × 1,036,706
4. Step 4: Simplify right side
   681,694x = 1,074,759,330,436
5. Step 5: Solve for x
   x = 1,074,759,330,436/681,694
6. Step 6: Final answer
   x = 1,576,600.84