Finding the Third Proportional to 10,226.81 and 13,811.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,226.81 : 13,811.06 = 13,811.06 : x
2. Step 2: Convert to fraction form
   10,226.81/13,811.06 = 13,811.06/x
3. Step 3: Cross multiply
   10,226.81x = 13,811.06 × 13,811.06
4. Step 4: Simplify right side
   10,226.81x = 190,745,447.38
5. Step 5: Solve for x
   x = 190,745,447.38/10,226.81
6. Step 6: Final answer
   x = 18,651.51