Finding the Third Proportional to 16,146 and 17,618

Step by Step Solution

1. Step 1: Write the proportion equation
   16,146 : 17,618 = 17,618 : x
2. Step 2: Convert to fraction form
   16,146/17,618 = 17,618/x
3. Step 3: Cross multiply
   16,146x = 17,618 × 17,618
4. Step 4: Simplify right side
   16,146x = 310,393,924
5. Step 5: Solve for x
   x = 310,393,924/16,146
6. Step 6: Final answer
   x = 19,224.20