Finding the Third Proportional to 681,666 and 1,036,663

Step by Step Solution

1. Step 1: Write the proportion equation
   681,666 : 1,036,663 = 1,036,663 : x
2. Step 2: Convert to fraction form
   681,666/1,036,663 = 1,036,663/x
3. Step 3: Cross multiply
   681,666x = 1,036,663 × 1,036,663
4. Step 4: Simplify right side
   681,666x = 1,074,670,175,569
5. Step 5: Solve for x
   x = 1,074,670,175,569/681,666
6. Step 6: Final answer
   x = 1,576,534.81