Finding the Third Proportional to 9,912 and 17,628

Step by Step Solution

1. Step 1: Write the proportion equation
   9,912 : 17,628 = 17,628 : x
2. Step 2: Convert to fraction form
   9,912/17,628 = 17,628/x
3. Step 3: Cross multiply
   9,912x = 17,628 × 17,628
4. Step 4: Simplify right side
   9,912x = 310,746,384
5. Step 5: Solve for x
   x = 310,746,384/9,912
6. Step 6: Final answer
   x = 31,350.52