Finding the Third Proportional to 3,386.81 and 8,066.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,386.81 : 8,066.25 = 8,066.25 : x
2. Step 2: Convert to fraction form
   3,386.81/8,066.25 = 8,066.25/x
3. Step 3: Cross multiply
   3,386.81x = 8,066.25 × 8,066.25
4. Step 4: Simplify right side
   3,386.81x = 65,064,389.06
5. Step 5: Solve for x
   x = 65,064,389.06/3,386.81
6. Step 6: Final answer
   x = 19,211.10