Finding the Third Proportional to 3,925.97 and 8,394.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,925.97 : 8,394.89 = 8,394.89 : x
2. Step 2: Convert to fraction form
   3,925.97/8,394.89 = 8,394.89/x
3. Step 3: Cross multiply
   3,925.97x = 8,394.89 × 8,394.89
4. Step 4: Simplify right side
   3,925.97x = 70,474,188.61
5. Step 5: Solve for x
   x = 70,474,188.61/3,925.97
6. Step 6: Final answer
   x = 17,950.78