Finding the Third Proportional to 8,920 and 13,004

Step by Step Solution

1. Step 1: Write the proportion equation
   8,920 : 13,004 = 13,004 : x
2. Step 2: Convert to fraction form
   8,920/13,004 = 13,004/x
3. Step 3: Cross multiply
   8,920x = 13,004 × 13,004
4. Step 4: Simplify right side
   8,920x = 169,104,016
5. Step 5: Solve for x
   x = 169,104,016/8,920
6. Step 6: Final answer
   x = 18,957.85