Finding the Third Proportional to 2,086.50 and 4,479

Step by Step Solution

1. Step 1: Write the proportion equation
   2,086.50 : 4,479 = 4,479 : x
2. Step 2: Convert to fraction form
   2,086.50/4,479 = 4,479/x
3. Step 3: Cross multiply
   2,086.50x = 4,479 × 4,479
4. Step 4: Simplify right side
   2,086.50x = 20,061,441
5. Step 5: Solve for x
   x = 20,061,441/2,086.50
6. Step 6: Final answer
   x = 9,614.88