Finding the Third Proportional to 171,040 and 395,913.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,040 : 395,913.50 = 395,913.50 : x
2. Step 2: Convert to fraction form
   171,040/395,913.50 = 395,913.50/x
3. Step 3: Cross multiply
   171,040x = 395,913.50 × 395,913.50
4. Step 4: Simplify right side
   171,040x = 156,747,499,482.25
5. Step 5: Solve for x
   x = 156,747,499,482.25/171,040
6. Step 6: Final answer
   x = 916,437.67