Finding the Third Proportional to 682,476 and 1,070,510

Step by Step Solution

1. Step 1: Write the proportion equation
   682,476 : 1,070,510 = 1,070,510 : x
2. Step 2: Convert to fraction form
   682,476/1,070,510 = 1,070,510/x
3. Step 3: Cross multiply
   682,476x = 1,070,510 × 1,070,510
4. Step 4: Simplify right side
   682,476x = 1,145,991,660,100
5. Step 5: Solve for x
   x = 1,145,991,660,100/682,476
6. Step 6: Final answer
   x = 1,679,167.71