Finding the Third Proportional to 4,091.50 and 8,960

Step by Step Solution

1. Step 1: Write the proportion equation
   4,091.50 : 8,960 = 8,960 : x
2. Step 2: Convert to fraction form
   4,091.50/8,960 = 8,960/x
3. Step 3: Cross multiply
   4,091.50x = 8,960 × 8,960
4. Step 4: Simplify right side
   4,091.50x = 80,281,600
5. Step 5: Solve for x
   x = 80,281,600/4,091.50
6. Step 6: Final answer
   x = 19,621.56