Finding the Third Proportional to 839,634 and 1,811,928

Step by Step Solution

1. Step 1: Write the proportion equation
   839,634 : 1,811,928 = 1,811,928 : x
2. Step 2: Convert to fraction form
   839,634/1,811,928 = 1,811,928/x
3. Step 3: Cross multiply
   839,634x = 1,811,928 × 1,811,928
4. Step 4: Simplify right side
   839,634x = 3,283,083,077,184
5. Step 5: Solve for x
   x = 3,283,083,077,184/839,634
6. Step 6: Final answer
   x = 3,910,135.94