Finding the Third Proportional to 172,181 and 379,162

Step by Step Solution

1. Step 1: Write the proportion equation
   172,181 : 379,162 = 379,162 : x
2. Step 2: Convert to fraction form
   172,181/379,162 = 379,162/x
3. Step 3: Cross multiply
   172,181x = 379,162 × 379,162
4. Step 4: Simplify right side
   172,181x = 143,763,822,244
5. Step 5: Solve for x
   x = 143,763,822,244/172,181
6. Step 6: Final answer
   x = 834,957.53