Finding the Third Proportional to 12,003 and 17,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003 : 17,879.50 = 17,879.50 : x
2. Step 2: Convert to fraction form
   12,003/17,879.50 = 17,879.50/x
3. Step 3: Cross multiply
   12,003x = 17,879.50 × 17,879.50
4. Step 4: Simplify right side
   12,003x = 319,676,520.25
5. Step 5: Solve for x
   x = 319,676,520.25/12,003
6. Step 6: Final answer
   x = 26,633.05