Finding the Third Proportional to 3,942.84 and 8,116.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942.84 : 8,116.03 = 8,116.03 : x
2. Step 2: Convert to fraction form
   3,942.84/8,116.03 = 8,116.03/x
3. Step 3: Cross multiply
   3,942.84x = 8,116.03 × 8,116.03
4. Step 4: Simplify right side
   3,942.84x = 65,869,963.25
5. Step 5: Solve for x
   x = 65,869,963.25/3,942.84
6. Step 6: Final answer
   x = 16,706.21