Finding the Third Proportional to 862,434 and 1,814,238

Step by Step Solution

1. Step 1: Write the proportion equation
   862,434 : 1,814,238 = 1,814,238 : x
2. Step 2: Convert to fraction form
   862,434/1,814,238 = 1,814,238/x
3. Step 3: Cross multiply
   862,434x = 1,814,238 × 1,814,238
4. Step 4: Simplify right side
   862,434x = 3,291,459,520,644
5. Step 5: Solve for x
   x = 3,291,459,520,644/862,434
6. Step 6: Final answer
   x = 3,816,476.99