Finding the Third Proportional to 170,020 and 371,144

Step by Step Solution

1. Step 1: Write the proportion equation
   170,020 : 371,144 = 371,144 : x
2. Step 2: Convert to fraction form
   170,020/371,144 = 371,144/x
3. Step 3: Cross multiply
   170,020x = 371,144 × 371,144
4. Step 4: Simplify right side
   170,020x = 137,747,868,736
5. Step 5: Solve for x
   x = 137,747,868,736/170,020
6. Step 6: Final answer
   x = 810,186.26