Finding the Third Proportional to 15,018 and 30,988

Step by Step Solution

1. Step 1: Write the proportion equation
   15,018 : 30,988 = 30,988 : x
2. Step 2: Convert to fraction form
   15,018/30,988 = 30,988/x
3. Step 3: Cross multiply
   15,018x = 30,988 × 30,988
4. Step 4: Simplify right side
   15,018x = 960,256,144
5. Step 5: Solve for x
   x = 960,256,144/15,018
6. Step 6: Final answer
   x = 63,940.35