Finding the Third Proportional to 3,949.17 and 8,773.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,949.17 : 8,773.73 = 8,773.73 : x
2. Step 2: Convert to fraction form
   3,949.17/8,773.73 = 8,773.73/x
3. Step 3: Cross multiply
   3,949.17x = 8,773.73 × 8,773.73
4. Step 4: Simplify right side
   3,949.17x = 76,978,414.88
5. Step 5: Solve for x
   x = 76,978,414.88/3,949.17
6. Step 6: Final answer
   x = 19,492.29