Finding the Third Proportional to 853,728 and 1,236,504

Step by Step Solution

1. Step 1: Write the proportion equation
   853,728 : 1,236,504 = 1,236,504 : x
2. Step 2: Convert to fraction form
   853,728/1,236,504 = 1,236,504/x
3. Step 3: Cross multiply
   853,728x = 1,236,504 × 1,236,504
4. Step 4: Simplify right side
   853,728x = 1,528,942,142,016
5. Step 5: Solve for x
   x = 1,528,942,142,016/853,728
6. Step 6: Final answer
   x = 1,790,900.78