Finding the Third Proportional to 853,728 and 1,857,792

Step by Step Solution

1. Step 1: Write the proportion equation
   853,728 : 1,857,792 = 1,857,792 : x
2. Step 2: Convert to fraction form
   853,728/1,857,792 = 1,857,792/x
3. Step 3: Cross multiply
   853,728x = 1,857,792 × 1,857,792
4. Step 4: Simplify right side
   853,728x = 3,451,391,115,264
5. Step 5: Solve for x
   x = 3,451,391,115,264/853,728
6. Step 6: Final answer
   x = 4,042,729.20