Finding the Third Proportional to 853,728 and 1,839,872

Step by Step Solution

1. Step 1: Write the proportion equation
   853,728 : 1,839,872 = 1,839,872 : x
2. Step 2: Convert to fraction form
   853,728/1,839,872 = 1,839,872/x
3. Step 3: Cross multiply
   853,728x = 1,839,872 × 1,839,872
4. Step 4: Simplify right side
   853,728x = 3,385,128,976,384
5. Step 5: Solve for x
   x = 3,385,128,976,384/853,728
6. Step 6: Final answer
   x = 3,965,114.15