Finding the Third Proportional to 388,521 and 796,300.50

Step by Step Solution

1. Step 1: Write the proportion equation
   388,521 : 796,300.50 = 796,300.50 : x
2. Step 2: Convert to fraction form
   388,521/796,300.50 = 796,300.50/x
3. Step 3: Cross multiply
   388,521x = 796,300.50 × 796,300.50
4. Step 4: Simplify right side
   388,521x = 634,094,486,300.25
5. Step 5: Solve for x
   x = 634,094,486,300.25/388,521
6. Step 6: Final answer
   x = 1,632,072.62