Finding the Third Proportional to 9,988 and 10,948

Step by Step Solution

1. Step 1: Write the proportion equation
   9,988 : 10,948 = 10,948 : x
2. Step 2: Convert to fraction form
   9,988/10,948 = 10,948/x
3. Step 3: Cross multiply
   9,988x = 10,948 × 10,948
4. Step 4: Simplify right side
   9,988x = 119,858,704
5. Step 5: Solve for x
   x = 119,858,704/9,988
6. Step 6: Final answer
   x = 12,000.27