Finding the Third Proportional to 9,920 and 14,818

Step by Step Solution

1. Step 1: Write the proportion equation
   9,920 : 14,818 = 14,818 : x
2. Step 2: Convert to fraction form
   9,920/14,818 = 14,818/x
3. Step 3: Cross multiply
   9,920x = 14,818 × 14,818
4. Step 4: Simplify right side
   9,920x = 219,573,124
5. Step 5: Solve for x
   x = 219,573,124/9,920
6. Step 6: Final answer
   x = 22,134.39