Finding the Third Proportional to 171,644 and 373,800

Step by Step Solution

1. Step 1: Write the proportion equation
   171,644 : 373,800 = 373,800 : x
2. Step 2: Convert to fraction form
   171,644/373,800 = 373,800/x
3. Step 3: Cross multiply
   171,644x = 373,800 × 373,800
4. Step 4: Simplify right side
   171,644x = 139,726,440,000
5. Step 5: Solve for x
   x = 139,726,440,000/171,644
6. Step 6: Final answer
   x = 814,047.91