Finding the Third Proportional to 9,105 and 13,299

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105 : 13,299 = 13,299 : x
2. Step 2: Convert to fraction form
   9,105/13,299 = 13,299/x
3. Step 3: Cross multiply
   9,105x = 13,299 × 13,299
4. Step 4: Simplify right side
   9,105x = 176,863,401
5. Step 5: Solve for x
   x = 176,863,401/9,105
6. Step 6: Final answer
   x = 19,424.87