Finding the Third Proportional to 16,969 and 18,507

Step by Step Solution

1. Step 1: Write the proportion equation
   16,969 : 18,507 = 18,507 : x
2. Step 2: Convert to fraction form
   16,969/18,507 = 18,507/x
3. Step 3: Cross multiply
   16,969x = 18,507 × 18,507
4. Step 4: Simplify right side
   16,969x = 342,509,049
5. Step 5: Solve for x
   x = 342,509,049/16,969
6. Step 6: Final answer
   x = 20,184.40