Finding the Third Proportional to 11,486 and 15,030

Step by Step Solution

1. Step 1: Write the proportion equation
   11,486 : 15,030 = 15,030 : x
2. Step 2: Convert to fraction form
   11,486/15,030 = 15,030/x
3. Step 3: Cross multiply
   11,486x = 15,030 × 15,030
4. Step 4: Simplify right side
   11,486x = 225,900,900
5. Step 5: Solve for x
   x = 225,900,900/11,486
6. Step 6: Final answer
   x = 19,667.50