Finding the Third Proportional to 3,994.88 and 8,710.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,994.88 : 8,710.69 = 8,710.69 : x
2. Step 2: Convert to fraction form
   3,994.88/8,710.69 = 8,710.69/x
3. Step 3: Cross multiply
   3,994.88x = 8,710.69 × 8,710.69
4. Step 4: Simplify right side
   3,994.88x = 75,876,076.72
5. Step 5: Solve for x
   x = 75,876,076.72/3,994.88
6. Step 6: Final answer
   x = 18,993.35