Finding the Third Proportional to 171,108 and 381,521.25

Step by Step Solution

1. Step 1: Write the proportion equation
   171,108 : 381,521.25 = 381,521.25 : x
2. Step 2: Convert to fraction form
   171,108/381,521.25 = 381,521.25/x
3. Step 3: Cross multiply
   171,108x = 381,521.25 × 381,521.25
4. Step 4: Simplify right side
   171,108x = 145,558,464,201.56
5. Step 5: Solve for x
   x = 145,558,464,201.56/171,108
6. Step 6: Final answer
   x = 850,681.82