Finding the Third Proportional to 12,008 and 15,180

Step by Step Solution

1. Step 1: Write the proportion equation
   12,008 : 15,180 = 15,180 : x
2. Step 2: Convert to fraction form
   12,008/15,180 = 15,180/x
3. Step 3: Cross multiply
   12,008x = 15,180 × 15,180
4. Step 4: Simplify right side
   12,008x = 230,432,400
5. Step 5: Solve for x
   x = 230,432,400/12,008
6. Step 6: Final answer
   x = 19,189.91