Finding the Third Proportional to 4,343 and 9,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,343 : 9,499.50 = 9,499.50 : x
2. Step 2: Convert to fraction form
   4,343/9,499.50 = 9,499.50/x
3. Step 3: Cross multiply
   4,343x = 9,499.50 × 9,499.50
4. Step 4: Simplify right side
   4,343x = 90,240,500.25
5. Step 5: Solve for x
   x = 90,240,500.25/4,343
6. Step 6: Final answer
   x = 20,778.38