Finding the Third Proportional to 853,508 and 1,839,208

Step by Step Solution

1. Step 1: Write the proportion equation
   853,508 : 1,839,208 = 1,839,208 : x
2. Step 2: Convert to fraction form
   853,508/1,839,208 = 1,839,208/x
3. Step 3: Cross multiply
   853,508x = 1,839,208 × 1,839,208
4. Step 4: Simplify right side
   853,508x = 3,382,686,067,264
5. Step 5: Solve for x
   x = 3,382,686,067,264/853,508
6. Step 6: Final answer
   x = 3,963,274.00