Finding the Third Proportional to 81,016 and 170,222

Step by Step Solution

1. Step 1: Write the proportion equation
   81,016 : 170,222 = 170,222 : x
2. Step 2: Convert to fraction form
   81,016/170,222 = 170,222/x
3. Step 3: Cross multiply
   81,016x = 170,222 × 170,222
4. Step 4: Simplify right side
   81,016x = 28,975,529,284
5. Step 5: Solve for x
   x = 28,975,529,284/81,016
6. Step 6: Final answer
   x = 357,651.94