Finding the Third Proportional to 171,148 and 381,648.50

Step by Step Solution

1. Step 1: Write the proportion equation
   171,148 : 381,648.50 = 381,648.50 : x
2. Step 2: Convert to fraction form
   171,148/381,648.50 = 381,648.50/x
3. Step 3: Cross multiply
   171,148x = 381,648.50 × 381,648.50
4. Step 4: Simplify right side
   171,148x = 145,655,577,552.25
5. Step 5: Solve for x
   x = 145,655,577,552.25/171,148
6. Step 6: Final answer
   x = 851,050.42