Finding the Third Proportional to 8,641.69 and 11,167.88

Step by Step Solution

1. Step 1: Write the proportion equation
   8,641.69 : 11,167.88 = 11,167.88 : x
2. Step 2: Convert to fraction form
   8,641.69/11,167.88 = 11,167.88/x
3. Step 3: Cross multiply
   8,641.69x = 11,167.88 × 11,167.88
4. Step 4: Simplify right side
   8,641.69x = 124,721,432.02
5. Step 5: Solve for x
   x = 124,721,432.02/8,641.69
6. Step 6: Final answer
   x = 14,432.53