Finding the Third Proportional to 11,162.81 and 17,769.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,162.81 : 17,769.38 = 17,769.38 : x
2. Step 2: Convert to fraction form
   11,162.81/17,769.38 = 17,769.38/x
3. Step 3: Cross multiply
   11,162.81x = 17,769.38 × 17,769.38
4. Step 4: Simplify right side
   11,162.81x = 315,750,687.89
5. Step 5: Solve for x
   x = 315,750,687.89/11,162.81
6. Step 6: Final answer
   x = 28,285.94