Finding the Third Proportional to 682,086 and 1,070,028

Step by Step Solution

1. Step 1: Write the proportion equation
   682,086 : 1,070,028 = 1,070,028 : x
2. Step 2: Convert to fraction form
   682,086/1,070,028 = 1,070,028/x
3. Step 3: Cross multiply
   682,086x = 1,070,028 × 1,070,028
4. Step 4: Simplify right side
   682,086x = 1,144,959,920,784
5. Step 5: Solve for x
   x = 1,144,959,920,784/682,086
6. Step 6: Final answer
   x = 1,678,615.19