Finding the Third Proportional to 16,741.69 and 18,321.19

Step by Step Solution

1. Step 1: Write the proportion equation
   16,741.69 : 18,321.19 = 18,321.19 : x
2. Step 2: Convert to fraction form
   16,741.69/18,321.19 = 18,321.19/x
3. Step 3: Cross multiply
   16,741.69x = 18,321.19 × 18,321.19
4. Step 4: Simplify right side
   16,741.69x = 335,665,911.41
5. Step 5: Solve for x
   x = 335,665,911.41/16,741.69
6. Step 6: Final answer
   x = 20,049.71