Finding the Third Proportional to 384,892 and 844,142

Step by Step Solution

1. Step 1: Write the proportion equation
   384,892 : 844,142 = 844,142 : x
2. Step 2: Convert to fraction form
   384,892/844,142 = 844,142/x
3. Step 3: Cross multiply
   384,892x = 844,142 × 844,142
4. Step 4: Simplify right side
   384,892x = 712,575,716,164
5. Step 5: Solve for x
   x = 712,575,716,164/384,892
6. Step 6: Final answer
   x = 1,851,365.36