Finding the Third Proportional to 383,103 and 777,150

Step by Step Solution

1. Step 1: Write the proportion equation
   383,103 : 777,150 = 777,150 : x
2. Step 2: Convert to fraction form
   383,103/777,150 = 777,150/x
3. Step 3: Cross multiply
   383,103x = 777,150 × 777,150
4. Step 4: Simplify right side
   383,103x = 603,962,122,500
5. Step 5: Solve for x
   x = 603,962,122,500/383,103
6. Step 6: Final answer
   x = 1,576,500.63