Finding the Third Proportional to 839,616 and 1,811,904

Step by Step Solution

1. Step 1: Write the proportion equation
   839,616 : 1,811,904 = 1,811,904 : x
2. Step 2: Convert to fraction form
   839,616/1,811,904 = 1,811,904/x
3. Step 3: Cross multiply
   839,616x = 1,811,904 × 1,811,904
4. Step 4: Simplify right side
   839,616x = 3,282,996,105,216
5. Step 5: Solve for x
   x = 3,282,996,105,216/839,616
6. Step 6: Final answer
   x = 3,910,116.18