Finding the Third Proportional to 8,623.25 and 13,185.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,623.25 : 13,185.50 = 13,185.50 : x
2. Step 2: Convert to fraction form
   8,623.25/13,185.50 = 13,185.50/x
3. Step 3: Cross multiply
   8,623.25x = 13,185.50 × 13,185.50
4. Step 4: Simplify right side
   8,623.25x = 173,857,410.25
5. Step 5: Solve for x
   x = 173,857,410.25/8,623.25
6. Step 6: Final answer
   x = 20,161.47