Finding the Third Proportional to 9,380 and 13,110

Step by Step Solution

1. Step 1: Write the proportion equation
   9,380 : 13,110 = 13,110 : x
2. Step 2: Convert to fraction form
   9,380/13,110 = 13,110/x
3. Step 3: Cross multiply
   9,380x = 13,110 × 13,110
4. Step 4: Simplify right side
   9,380x = 171,872,100
5. Step 5: Solve for x
   x = 171,872,100/9,380
6. Step 6: Final answer
   x = 18,323.25