Finding the Third Proportional to 8,661.94 and 11,071.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,661.94 : 11,071.69 = 11,071.69 : x
2. Step 2: Convert to fraction form
   8,661.94/11,071.69 = 11,071.69/x
3. Step 3: Cross multiply
   8,661.94x = 11,071.69 × 11,071.69
4. Step 4: Simplify right side
   8,661.94x = 122,582,264.10
5. Step 5: Solve for x
   x = 122,582,264.10/8,661.94
6. Step 6: Final answer
   x = 14,151.83