Finding the Third Proportional to 4,813.50 and 9,949.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,813.50 : 9,949.88 = 9,949.88 : x
2. Step 2: Convert to fraction form
   4,813.50/9,949.88 = 9,949.88/x
3. Step 3: Cross multiply
   4,813.50x = 9,949.88 × 9,949.88
4. Step 4: Simplify right side
   4,813.50x = 99,000,012.52
5. Step 5: Solve for x
   x = 99,000,012.52/4,813.50
6. Step 6: Final answer
   x = 20,567.16