Finding the Third Proportional to 19,668 and 31,436

Step by Step Solution

1. Step 1: Write the proportion equation
   19,668 : 31,436 = 31,436 : x
2. Step 2: Convert to fraction form
   19,668/31,436 = 31,436/x
3. Step 3: Cross multiply
   19,668x = 31,436 × 31,436
4. Step 4: Simplify right side
   19,668x = 988,222,096
5. Step 5: Solve for x
   x = 988,222,096/19,668
6. Step 6: Final answer
   x = 50,245.17