Finding the Third Proportional to 11,519.72 and 17,898.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,519.72 : 17,898.47 = 17,898.47 : x
2. Step 2: Convert to fraction form
   11,519.72/17,898.47 = 17,898.47/x
3. Step 3: Cross multiply
   11,519.72x = 17,898.47 × 17,898.47
4. Step 4: Simplify right side
   11,519.72x = 320,355,183.59
5. Step 5: Solve for x
   x = 320,355,183.59/11,519.72
6. Step 6: Final answer
   x = 27,809.29