Finding the Third Proportional to 10,231.88 and 13,888.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,231.88 : 13,888.13 = 13,888.13 : x
2. Step 2: Convert to fraction form
   10,231.88/13,888.13 = 13,888.13/x
3. Step 3: Cross multiply
   10,231.88x = 13,888.13 × 13,888.13
4. Step 4: Simplify right side
   10,231.88x = 192,880,016.02
5. Step 5: Solve for x
   x = 192,880,016.02/10,231.88
6. Step 6: Final answer
   x = 18,850.90