Finding the Third Proportional to 171,328.50 and 379,377

Step by Step Solution

1. Step 1: Write the proportion equation
   171,328.50 : 379,377 = 379,377 : x
2. Step 2: Convert to fraction form
   171,328.50/379,377 = 379,377/x
3. Step 3: Cross multiply
   171,328.50x = 379,377 × 379,377
4. Step 4: Simplify right side
   171,328.50x = 143,926,908,129
5. Step 5: Solve for x
   x = 143,926,908,129/171,328.50
6. Step 6: Final answer
   x = 840,064.02