Finding the Third Proportional to 11,113.88 and 17,769.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,113.88 : 17,769.38 = 17,769.38 : x
2. Step 2: Convert to fraction form
   11,113.88/17,769.38 = 17,769.38/x
3. Step 3: Cross multiply
   11,113.88x = 17,769.38 × 17,769.38
4. Step 4: Simplify right side
   11,113.88x = 315,750,687.89
5. Step 5: Solve for x
   x = 315,750,687.89/11,113.88
6. Step 6: Final answer
   x = 28,410.49