Finding the Third Proportional to 11,175.47 and 17,789.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,175.47 : 17,789.63 = 17,789.63 : x
2. Step 2: Convert to fraction form
   11,175.47/17,789.63 = 17,789.63/x
3. Step 3: Cross multiply
   11,175.47x = 17,789.63 × 17,789.63
4. Step 4: Simplify right side
   11,175.47x = 316,470,757.64
5. Step 5: Solve for x
   x = 316,470,757.64/11,175.47
6. Step 6: Final answer
   x = 28,318.34