Finding the Third Proportional to 11,578.50 and 16,395.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,578.50 : 16,395.50 = 16,395.50 : x
2. Step 2: Convert to fraction form
   11,578.50/16,395.50 = 16,395.50/x
3. Step 3: Cross multiply
   11,578.50x = 16,395.50 × 16,395.50
4. Step 4: Simplify right side
   11,578.50x = 268,812,420.25
5. Step 5: Solve for x
   x = 268,812,420.25/11,578.50
6. Step 6: Final answer
   x = 23,216.52