Finding the Third Proportional to 9,990 and 23,625

Step by Step Solution

1. Step 1: Write the proportion equation
   9,990 : 23,625 = 23,625 : x
2. Step 2: Convert to fraction form
   9,990/23,625 = 23,625/x
3. Step 3: Cross multiply
   9,990x = 23,625 × 23,625
4. Step 4: Simplify right side
   9,990x = 558,140,625
5. Step 5: Solve for x
   x = 558,140,625/9,990
6. Step 6: Final answer
   x = 55,869.93