Finding the Third Proportional to 9,443 and 19,957

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443 : 19,957 = 19,957 : x
2. Step 2: Convert to fraction form
   9,443/19,957 = 19,957/x
3. Step 3: Cross multiply
   9,443x = 19,957 × 19,957
4. Step 4: Simplify right side
   9,443x = 398,281,849
5. Step 5: Solve for x
   x = 398,281,849/9,443
6. Step 6: Final answer
   x = 42,177.47