Finding the Third Proportional to 8,641.69 and 12,841.03

Step by Step Solution

1. Step 1: Write the proportion equation
   8,641.69 : 12,841.03 = 12,841.03 : x
2. Step 2: Convert to fraction form
   8,641.69/12,841.03 = 12,841.03/x
3. Step 3: Cross multiply
   8,641.69x = 12,841.03 × 12,841.03
4. Step 4: Simplify right side
   8,641.69x = 164,892,083.56
5. Step 5: Solve for x
   x = 164,892,083.56/8,641.69
6. Step 6: Final answer
   x = 19,081.01