Finding the Third Proportional to 9,398 and 19,868

Step by Step Solution

1. Step 1: Write the proportion equation
   9,398 : 19,868 = 19,868 : x
2. Step 2: Convert to fraction form
   9,398/19,868 = 19,868/x
3. Step 3: Cross multiply
   9,398x = 19,868 × 19,868
4. Step 4: Simplify right side
   9,398x = 394,737,424
5. Step 5: Solve for x
   x = 394,737,424/9,398
6. Step 6: Final answer
   x = 42,002.28