Finding the Third Proportional to 171,038 and 395,908.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,038 : 395,908.50 = 395,908.50 : x
2. Step 2: Convert to fraction form
   171,038/395,908.50 = 395,908.50/x
3. Step 3: Cross multiply
   171,038x = 395,908.50 × 395,908.50
4. Step 4: Simplify right side
   171,038x = 156,743,540,372.25
5. Step 5: Solve for x
   x = 156,743,540,372.25/171,038
6. Step 6: Final answer
   x = 916,425.24