Finding the Third Proportional to 8,019 and 13,279.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,019 : 13,279.50 = 13,279.50 : x
2. Step 2: Convert to fraction form
   8,019/13,279.50 = 13,279.50/x
3. Step 3: Cross multiply
   8,019x = 13,279.50 × 13,279.50
4. Step 4: Simplify right side
   8,019x = 176,345,120.25
5. Step 5: Solve for x
   x = 176,345,120.25/8,019
6. Step 6: Final answer
   x = 21,990.91