Finding the Third Proportional to 8,641.69 and 18,010.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,641.69 : 18,010.69 = 18,010.69 : x
2. Step 2: Convert to fraction form
   8,641.69/18,010.69 = 18,010.69/x
3. Step 3: Cross multiply
   8,641.69x = 18,010.69 × 18,010.69
4. Step 4: Simplify right side
   8,641.69x = 324,384,864.22
5. Step 5: Solve for x
   x = 324,384,864.22/8,641.69
6. Step 6: Final answer
   x = 37,537.21