Finding the Third Proportional to 78,379.50 and 171,483

Step by Step Solution

1. Step 1: Write the proportion equation
   78,379.50 : 171,483 = 171,483 : x
2. Step 2: Convert to fraction form
   78,379.50/171,483 = 171,483/x
3. Step 3: Cross multiply
   78,379.50x = 171,483 × 171,483
4. Step 4: Simplify right side
   78,379.50x = 29,406,419,289
5. Step 5: Solve for x
   x = 29,406,419,289/78,379.50
6. Step 6: Final answer
   x = 375,179.98