Finding the Third Proportional to 853,942 and 1,839,842

Step by Step Solution

1. Step 1: Write the proportion equation
   853,942 : 1,839,842 = 1,839,842 : x
2. Step 2: Convert to fraction form
   853,942/1,839,842 = 1,839,842/x
3. Step 3: Cross multiply
   853,942x = 1,839,842 × 1,839,842
4. Step 4: Simplify right side
   853,942x = 3,385,018,584,964
5. Step 5: Solve for x
   x = 3,385,018,584,964/853,942
6. Step 6: Final answer
   x = 3,963,991.21