Finding the Third Proportional to 173,020 and 377,144

Step by Step Solution

1. Step 1: Write the proportion equation
   173,020 : 377,144 = 377,144 : x
2. Step 2: Convert to fraction form
   173,020/377,144 = 377,144/x
3. Step 3: Cross multiply
   173,020x = 377,144 × 377,144
4. Step 4: Simplify right side
   173,020x = 142,237,596,736
5. Step 5: Solve for x
   x = 142,237,596,736/173,020
6. Step 6: Final answer
   x = 822,087.60