Finding the Third Proportional to 9,992 and 10,888

Step by Step Solution

1. Step 1: Write the proportion equation
   9,992 : 10,888 = 10,888 : x
2. Step 2: Convert to fraction form
   9,992/10,888 = 10,888/x
3. Step 3: Cross multiply
   9,992x = 10,888 × 10,888
4. Step 4: Simplify right side
   9,992x = 118,548,544
5. Step 5: Solve for x
   x = 118,548,544/9,992
6. Step 6: Final answer
   x = 11,864.35