Finding the Third Proportional to 4,405 and 5,979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,405 : 5,979.50 = 5,979.50 : x
2. Step 2: Convert to fraction form
   4,405/5,979.50 = 5,979.50/x
3. Step 3: Cross multiply
   4,405x = 5,979.50 × 5,979.50
4. Step 4: Simplify right side
   4,405x = 35,754,420.25
5. Step 5: Solve for x
   x = 35,754,420.25/4,405
6. Step 6: Final answer
   x = 8,116.78