Finding the Third Proportional to 17,628 and 18,863

Step by Step Solution

1. Step 1: Write the proportion equation
   17,628 : 18,863 = 18,863 : x
2. Step 2: Convert to fraction form
   17,628/18,863 = 18,863/x
3. Step 3: Cross multiply
   17,628x = 18,863 × 18,863
4. Step 4: Simplify right side
   17,628x = 355,812,769
5. Step 5: Solve for x
   x = 355,812,769/17,628
6. Step 6: Final answer
   x = 20,184.52