Finding the Third Proportional to 11,579 and 17,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,579 : 17,940.50 = 17,940.50 : x
2. Step 2: Convert to fraction form
   11,579/17,940.50 = 17,940.50/x
3. Step 3: Cross multiply
   11,579x = 17,940.50 × 17,940.50
4. Step 4: Simplify right side
   11,579x = 321,861,540.25
5. Step 5: Solve for x
   x = 321,861,540.25/11,579
6. Step 6: Final answer
   x = 27,797.01