Finding the Third Proportional to 8,299.69 and 12,481.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,299.69 : 12,481.03 = 12,481.03 : x
2. Step 2: Convert to fraction form
   8,299.69/12,481.03 = 12,481.03/x
3. Step 3: Cross multiply
   8,299.69x = 12,481.03 × 12,481.03
4. Step 4: Simplify right side
   8,299.69x = 155,776,141.06
5. Step 5: Solve for x
   x = 155,776,141.06/8,299.69
6. Step 6: Final answer
   x = 18,768.92