Finding the Third Proportional to 384,840 and 844,036

Step by Step Solution

1. Step 1: Write the proportion equation
   384,840 : 844,036 = 844,036 : x
2. Step 2: Convert to fraction form
   384,840/844,036 = 844,036/x
3. Step 3: Cross multiply
   384,840x = 844,036 × 844,036
4. Step 4: Simplify right side
   384,840x = 712,396,769,296
5. Step 5: Solve for x
   x = 712,396,769,296/384,840
6. Step 6: Final answer
   x = 1,851,150.53