Finding the Third Proportional to 9,990 and 17,754

Step by Step Solution

1. Step 1: Write the proportion equation
   9,990 : 17,754 = 17,754 : x
2. Step 2: Convert to fraction form
   9,990/17,754 = 17,754/x
3. Step 3: Cross multiply
   9,990x = 17,754 × 17,754
4. Step 4: Simplify right side
   9,990x = 315,204,516
5. Step 5: Solve for x
   x = 315,204,516/9,990
6. Step 6: Final answer
   x = 31,552.00