Finding the Third Proportional to 8,183.81 and 12,513.52

Step by Step Solution

1. Step 1: Write the proportion equation
   8,183.81 : 12,513.52 = 12,513.52 : x
2. Step 2: Convert to fraction form
   8,183.81/12,513.52 = 12,513.52/x
3. Step 3: Cross multiply
   8,183.81x = 12,513.52 × 12,513.52
4. Step 4: Simplify right side
   8,183.81x = 156,588,073.30
5. Step 5: Solve for x
   x = 156,588,073.30/8,183.81
6. Step 6: Final answer
   x = 19,133.88