Finding the Third Proportional to 10,960.50 and 18,115.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,960.50 : 18,115.50 = 18,115.50 : x
2. Step 2: Convert to fraction form
   10,960.50/18,115.50 = 18,115.50/x
3. Step 3: Cross multiply
   10,960.50x = 18,115.50 × 18,115.50
4. Step 4: Simplify right side
   10,960.50x = 328,171,340.25
5. Step 5: Solve for x
   x = 328,171,340.25/10,960.50
6. Step 6: Final answer
   x = 29,941.27