Finding the Third Proportional to 839,808 and 1,812,186

Step by Step Solution

1. Step 1: Write the proportion equation
   839,808 : 1,812,186 = 1,812,186 : x
2. Step 2: Convert to fraction form
   839,808/1,812,186 = 1,812,186/x
3. Step 3: Cross multiply
   839,808x = 1,812,186 × 1,812,186
4. Step 4: Simplify right side
   839,808x = 3,284,018,098,596
5. Step 5: Solve for x
   x = 3,284,018,098,596/839,808
6. Step 6: Final answer
   x = 3,910,439.17