Finding the Third Proportional to 3,669.05 and 8,868.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.05 : 8,868.23 = 8,868.23 : x
2. Step 2: Convert to fraction form
   3,669.05/8,868.23 = 8,868.23/x
3. Step 3: Cross multiply
   3,669.05x = 8,868.23 × 8,868.23
4. Step 4: Simplify right side
   3,669.05x = 78,645,580.93
5. Step 5: Solve for x
   x = 78,645,580.93/3,669.05
6. Step 6: Final answer
   x = 21,434.88