Finding the Third Proportional to 7,960.50 and 18,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,960.50 : 18,499.50 = 18,499.50 : x
2. Step 2: Convert to fraction form
   7,960.50/18,499.50 = 18,499.50/x
3. Step 3: Cross multiply
   7,960.50x = 18,499.50 × 18,499.50
4. Step 4: Simplify right side
   7,960.50x = 342,231,500.25
5. Step 5: Solve for x
   x = 342,231,500.25/7,960.50
6. Step 6: Final answer
   x = 42,991.21