Finding the Third Proportional to 171,805.50 and 377,487

Step by Step Solution

1. Step 1: Write the proportion equation
   171,805.50 : 377,487 = 377,487 : x
2. Step 2: Convert to fraction form
   171,805.50/377,487 = 377,487/x
3. Step 3: Cross multiply
   171,805.50x = 377,487 × 377,487
4. Step 4: Simplify right side
   171,805.50x = 142,496,435,169
5. Step 5: Solve for x
   x = 142,496,435,169/171,805.50
6. Step 6: Final answer
   x = 829,405.55