Finding the Third Proportional to 171,744 and 366,144

Step by Step Solution

1. Step 1: Write the proportion equation
   171,744 : 366,144 = 366,144 : x
2. Step 2: Convert to fraction form
   171,744/366,144 = 366,144/x
3. Step 3: Cross multiply
   171,744x = 366,144 × 366,144
4. Step 4: Simplify right side
   171,744x = 134,061,428,736
5. Step 5: Solve for x
   x = 134,061,428,736/171,744
6. Step 6: Final answer
   x = 780,588.72