Finding the Third Proportional to 8,173 and 12,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,173 : 12,284.50 = 12,284.50 : x
2. Step 2: Convert to fraction form
   8,173/12,284.50 = 12,284.50/x
3. Step 3: Cross multiply
   8,173x = 12,284.50 × 12,284.50
4. Step 4: Simplify right side
   8,173x = 150,908,940.25
5. Step 5: Solve for x
   x = 150,908,940.25/8,173
6. Step 6: Final answer
   x = 18,464.33