Finding the Third Proportional to 13,636.50 and 18,324.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,636.50 : 18,324.75 = 18,324.75 : x
2. Step 2: Convert to fraction form
   13,636.50/18,324.75 = 18,324.75/x
3. Step 3: Cross multiply
   13,636.50x = 18,324.75 × 18,324.75
4. Step 4: Simplify right side
   13,636.50x = 335,796,462.56
5. Step 5: Solve for x
   x = 335,796,462.56/13,636.50
6. Step 6: Final answer
   x = 24,624.83