Finding the Third Proportional to 3,942 and 8,066.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,942 : 8,066.25 = 8,066.25 : x
2. Step 2: Convert to fraction form
   3,942/8,066.25 = 8,066.25/x
3. Step 3: Cross multiply
   3,942x = 8,066.25 × 8,066.25
4. Step 4: Simplify right side
   3,942x = 65,064,389.06
5. Step 5: Solve for x
   x = 65,064,389.06/3,942
6. Step 6: Final answer
   x = 16,505.43