Finding the Third Proportional to 9,879 and 12,003

Step by Step Solution

1. Step 1: Write the proportion equation
   9,879 : 12,003 = 12,003 : x
2. Step 2: Convert to fraction form
   9,879/12,003 = 12,003/x
3. Step 3: Cross multiply
   9,879x = 12,003 × 12,003
4. Step 4: Simplify right side
   9,879x = 144,072,009
5. Step 5: Solve for x
   x = 144,072,009/9,879
6. Step 6: Final answer
   x = 14,583.66