Finding the Third Proportional to 388,518 and 796,294.50

Step by Step Solution

1. Step 1: Write the proportion equation
   388,518 : 796,294.50 = 796,294.50 : x
2. Step 2: Convert to fraction form
   388,518/796,294.50 = 796,294.50/x
3. Step 3: Cross multiply
   388,518x = 796,294.50 × 796,294.50
4. Step 4: Simplify right side
   388,518x = 634,084,930,730.25
5. Step 5: Solve for x
   x = 634,084,930,730.25/388,518
6. Step 6: Final answer
   x = 1,632,060.63