Finding the Third Proportional to 682,308 and 1,079,622

Step by Step Solution

1. Step 1: Write the proportion equation
   682,308 : 1,079,622 = 1,079,622 : x
2. Step 2: Convert to fraction form
   682,308/1,079,622 = 1,079,622/x
3. Step 3: Cross multiply
   682,308x = 1,079,622 × 1,079,622
4. Step 4: Simplify right side
   682,308x = 1,165,583,662,884
5. Step 5: Solve for x
   x = 1,165,583,662,884/682,308
6. Step 6: Final answer
   x = 1,708,295.47