Finding the Third Proportional to 11,306 and 15,105

Step by Step Solution

1. Step 1: Write the proportion equation
   11,306 : 15,105 = 15,105 : x
2. Step 2: Convert to fraction form
   11,306/15,105 = 15,105/x
3. Step 3: Cross multiply
   11,306x = 15,105 × 15,105
4. Step 4: Simplify right side
   11,306x = 228,161,025
5. Step 5: Solve for x
   x = 228,161,025/11,306
6. Step 6: Final answer
   x = 20,180.53