Finding the Third Proportional to 8,020.69 and 12,030.19

Step by Step Solution

1. Step 1: Write the proportion equation
   8,020.69 : 12,030.19 = 12,030.19 : x
2. Step 2: Convert to fraction form
   8,020.69/12,030.19 = 12,030.19/x
3. Step 3: Cross multiply
   8,020.69x = 12,030.19 × 12,030.19
4. Step 4: Simplify right side
   8,020.69x = 144,725,411.29
5. Step 5: Solve for x
   x = 144,725,411.29/8,020.69
6. Step 6: Final answer
   x = 18,044.02