Finding the Third Proportional to 3,222 and 7,066.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,222 : 7,066.63 = 7,066.63 : x
2. Step 2: Convert to fraction form
   3,222/7,066.63 = 7,066.63/x
3. Step 3: Cross multiply
   3,222x = 7,066.63 × 7,066.63
4. Step 4: Simplify right side
   3,222x = 49,937,188.89
5. Step 5: Solve for x
   x = 49,937,188.89/3,222
6. Step 6: Final answer
   x = 15,498.82