Finding the Third Proportional to 7,158 and 15,012

Step by Step Solution

1. Step 1: Write the proportion equation
   7,158 : 15,012 = 15,012 : x
2. Step 2: Convert to fraction form
   7,158/15,012 = 15,012/x
3. Step 3: Cross multiply
   7,158x = 15,012 × 15,012
4. Step 4: Simplify right side
   7,158x = 225,360,144
5. Step 5: Solve for x
   x = 225,360,144/7,158
6. Step 6: Final answer
   x = 31,483.67