Finding the Third Proportional to 864,682 and 1,231,756

Step by Step Solution

1. Step 1: Write the proportion equation
   864,682 : 1,231,756 = 1,231,756 : x
2. Step 2: Convert to fraction form
   864,682/1,231,756 = 1,231,756/x
3. Step 3: Cross multiply
   864,682x = 1,231,756 × 1,231,756
4. Step 4: Simplify right side
   864,682x = 1,517,222,843,536
5. Step 5: Solve for x
   x = 1,517,222,843,536/864,682
6. Step 6: Final answer
   x = 1,754,659.91