Finding the Third Proportional to 11,145.41 and 16,307.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,145.41 : 16,307.89 = 16,307.89 : x
2. Step 2: Convert to fraction form
   11,145.41/16,307.89 = 16,307.89/x
3. Step 3: Cross multiply
   11,145.41x = 16,307.89 × 16,307.89
4. Step 4: Simplify right side
   11,145.41x = 265,947,424.04
5. Step 5: Solve for x
   x = 265,947,424.04/11,145.41
6. Step 6: Final answer
   x = 23,861.61