Finding the Third Proportional to 9,993.50 and 21,998.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,993.50 : 21,998.50 = 21,998.50 : x
2. Step 2: Convert to fraction form
   9,993.50/21,998.50 = 21,998.50/x
3. Step 3: Cross multiply
   9,993.50x = 21,998.50 × 21,998.50
4. Step 4: Simplify right side
   9,993.50x = 483,934,002.25
5. Step 5: Solve for x
   x = 483,934,002.25/9,993.50
6. Step 6: Final answer
   x = 48,424.88