Finding the Third Proportional to 853,940 and 1,839,838

Step by Step Solution

1. Step 1: Write the proportion equation
   853,940 : 1,839,838 = 1,839,838 : x
2. Step 2: Convert to fraction form
   853,940/1,839,838 = 1,839,838/x
3. Step 3: Cross multiply
   853,940x = 1,839,838 × 1,839,838
4. Step 4: Simplify right side
   853,940x = 3,385,003,866,244
5. Step 5: Solve for x
   x = 3,385,003,866,244/853,940
6. Step 6: Final answer
   x = 3,963,983.26