Finding the Third Proportional to 9,378 and 20,049

Step by Step Solution

1. Step 1: Write the proportion equation
   9,378 : 20,049 = 20,049 : x
2. Step 2: Convert to fraction form
   9,378/20,049 = 20,049/x
3. Step 3: Cross multiply
   9,378x = 20,049 × 20,049
4. Step 4: Simplify right side
   9,378x = 401,962,401
5. Step 5: Solve for x
   x = 401,962,401/9,378
6. Step 6: Final answer
   x = 42,862.27