Finding the Third Proportional to 839,812 and 1,131,414

Step by Step Solution

1. Step 1: Write the proportion equation
   839,812 : 1,131,414 = 1,131,414 : x
2. Step 2: Convert to fraction form
   839,812/1,131,414 = 1,131,414/x
3. Step 3: Cross multiply
   839,812x = 1,131,414 × 1,131,414
4. Step 4: Simplify right side
   839,812x = 1,280,097,639,396
5. Step 5: Solve for x
   x = 1,280,097,639,396/839,812
6. Step 6: Final answer
   x = 1,524,266.91