Finding the Third Proportional to 383,379 and 580,441.50

Step by Step Solution

1. Step 1: Write the proportion equation
   383,379 : 580,441.50 = 580,441.50 : x
2. Step 2: Convert to fraction form
   383,379/580,441.50 = 580,441.50/x
3. Step 3: Cross multiply
   383,379x = 580,441.50 × 580,441.50
4. Step 4: Simplify right side
   383,379x = 336,912,334,922.25
5. Step 5: Solve for x
   x = 336,912,334,922.25/383,379
6. Step 6: Final answer
   x = 878,797.05