Finding the Third Proportional to 4,402.27 and 9,788.77

Step by Step Solution

1. Step 1: Write the proportion equation
   4,402.27 : 9,788.77 = 9,788.77 : x
2. Step 2: Convert to fraction form
   4,402.27/9,788.77 = 9,788.77/x
3. Step 3: Cross multiply
   4,402.27x = 9,788.77 × 9,788.77
4. Step 4: Simplify right side
   4,402.27x = 95,819,932.46
5. Step 5: Solve for x
   x = 95,819,932.46/4,402.27
6. Step 6: Final answer
   x = 21,766.05