Finding the Third Proportional to 173,785.50 and 379,503

Step by Step Solution

1. Step 1: Write the proportion equation
   173,785.50 : 379,503 = 379,503 : x
2. Step 2: Convert to fraction form
   173,785.50/379,503 = 379,503/x
3. Step 3: Cross multiply
   173,785.50x = 379,503 × 379,503
4. Step 4: Simplify right side
   173,785.50x = 144,022,527,009
5. Step 5: Solve for x
   x = 144,022,527,009/173,785.50
6. Step 6: Final answer
   x = 828,737.31