Finding the Third Proportional to 5,108.50 and 10,999

Step by Step Solution

1. Step 1: Write the proportion equation
   5,108.50 : 10,999 = 10,999 : x
2. Step 2: Convert to fraction form
   5,108.50/10,999 = 10,999/x
3. Step 3: Cross multiply
   5,108.50x = 10,999 × 10,999
4. Step 4: Simplify right side
   5,108.50x = 120,978,001
5. Step 5: Solve for x
   x = 120,978,001/5,108.50
6. Step 6: Final answer
   x = 23,681.71