Finding the Third Proportional to 16,342 and 18,610

Step by Step Solution

1. Step 1: Write the proportion equation
   16,342 : 18,610 = 18,610 : x
2. Step 2: Convert to fraction form
   16,342/18,610 = 18,610/x
3. Step 3: Cross multiply
   16,342x = 18,610 × 18,610
4. Step 4: Simplify right side
   16,342x = 346,332,100
5. Step 5: Solve for x
   x = 346,332,100/16,342
6. Step 6: Final answer
   x = 21,192.76