Finding the Third Proportional to 11,788.50 and 13,449

Step by Step Solution

1. Step 1: Write the proportion equation
   11,788.50 : 13,449 = 13,449 : x
2. Step 2: Convert to fraction form
   11,788.50/13,449 = 13,449/x
3. Step 3: Cross multiply
   11,788.50x = 13,449 × 13,449
4. Step 4: Simplify right side
   11,788.50x = 180,875,601
5. Step 5: Solve for x
   x = 180,875,601/11,788.50
6. Step 6: Final answer
   x = 15,343.39