Finding the Third Proportional to 13,458 and 24,990

Step by Step Solution

1. Step 1: Write the proportion equation
   13,458 : 24,990 = 24,990 : x
2. Step 2: Convert to fraction form
   13,458/24,990 = 24,990/x
3. Step 3: Cross multiply
   13,458x = 24,990 × 24,990
4. Step 4: Simplify right side
   13,458x = 624,500,100
5. Step 5: Solve for x
   x = 624,500,100/13,458
6. Step 6: Final answer
   x = 46,403.63