Finding the Third Proportional to 11,916.75 and 17,530.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,916.75 : 17,530.88 = 17,530.88 : x
2. Step 2: Convert to fraction form
   11,916.75/17,530.88 = 17,530.88/x
3. Step 3: Cross multiply
   11,916.75x = 17,530.88 × 17,530.88
4. Step 4: Simplify right side
   11,916.75x = 307,331,578.27
5. Step 5: Solve for x
   x = 307,331,578.27/11,916.75
6. Step 6: Final answer
   x = 25,789.88