Finding the Third Proportional to 5,742 and 15,012

Step by Step Solution

1. Step 1: Write the proportion equation
   5,742 : 15,012 = 15,012 : x
2. Step 2: Convert to fraction form
   5,742/15,012 = 15,012/x
3. Step 3: Cross multiply
   5,742x = 15,012 × 15,012
4. Step 4: Simplify right side
   5,742x = 225,360,144
5. Step 5: Solve for x
   x = 225,360,144/5,742
6. Step 6: Final answer
   x = 39,247.67