Finding the Third Proportional to 4,990 and 10,886

Step by Step Solution

1. Step 1: Write the proportion equation
   4,990 : 10,886 = 10,886 : x
2. Step 2: Convert to fraction form
   4,990/10,886 = 10,886/x
3. Step 3: Cross multiply
   4,990x = 10,886 × 10,886
4. Step 4: Simplify right side
   4,990x = 118,504,996
5. Step 5: Solve for x
   x = 118,504,996/4,990
6. Step 6: Final answer
   x = 23,748.50