Finding the Third Proportional to 171,072 and 264,912.19

Step by Step Solution

1. Step 1: Write the proportion equation
   171,072 : 264,912.19 = 264,912.19 : x
2. Step 2: Convert to fraction form
   171,072/264,912.19 = 264,912.19/x
3. Step 3: Cross multiply
   171,072x = 264,912.19 × 264,912.19
4. Step 4: Simplify right side
   171,072x = 70,178,467,086.04
5. Step 5: Solve for x
   x = 70,178,467,086.04/171,072
6. Step 6: Final answer
   x = 410,227.66