Finding the Third Proportional to 173,144 and 360,144

Step by Step Solution

1. Step 1: Write the proportion equation
   173,144 : 360,144 = 360,144 : x
2. Step 2: Convert to fraction form
   173,144/360,144 = 360,144/x
3. Step 3: Cross multiply
   173,144x = 360,144 × 360,144
4. Step 4: Simplify right side
   173,144x = 129,703,700,736
5. Step 5: Solve for x
   x = 129,703,700,736/173,144
6. Step 6: Final answer
   x = 749,108.84