Finding the Third Proportional to 8,867.81 and 13,366.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,867.81 : 13,366.69 = 13,366.69 : x
2. Step 2: Convert to fraction form
   8,867.81/13,366.69 = 13,366.69/x
3. Step 3: Cross multiply
   8,867.81x = 13,366.69 × 13,366.69
4. Step 4: Simplify right side
   8,867.81x = 178,668,334.72
5. Step 5: Solve for x
   x = 178,668,334.72/8,867.81
6. Step 6: Final answer
   x = 20,147.96