Finding the Third Proportional to 839,364 and 1,812,744

Step by Step Solution

1. Step 1: Write the proportion equation
   839,364 : 1,812,744 = 1,812,744 : x
2. Step 2: Convert to fraction form
   839,364/1,812,744 = 1,812,744/x
3. Step 3: Cross multiply
   839,364x = 1,812,744 × 1,812,744
4. Step 4: Simplify right side
   839,364x = 3,286,040,809,536
5. Step 5: Solve for x
   x = 3,286,040,809,536/839,364
6. Step 6: Final answer
   x = 3,914,917.50