Finding the Third Proportional to 853,504 and 1,839,200

Step by Step Solution

1. Step 1: Write the proportion equation
   853,504 : 1,839,200 = 1,839,200 : x
2. Step 2: Convert to fraction form
   853,504/1,839,200 = 1,839,200/x
3. Step 3: Cross multiply
   853,504x = 1,839,200 × 1,839,200
4. Step 4: Simplify right side
   853,504x = 3,382,656,640,000
5. Step 5: Solve for x
   x = 3,382,656,640,000/853,504
6. Step 6: Final answer
   x = 3,963,258.10