Finding the Third Proportional to 7,398 and 12,330

Step by Step Solution

1. Step 1: Write the proportion equation
   7,398 : 12,330 = 12,330 : x
2. Step 2: Convert to fraction form
   7,398/12,330 = 12,330/x
3. Step 3: Cross multiply
   7,398x = 12,330 × 12,330
4. Step 4: Simplify right side
   7,398x = 152,028,900
5. Step 5: Solve for x
   x = 152,028,900/7,398
6. Step 6: Final answer
   x = 20,550