Finding the Third Proportional to 388,086.75 and 835,191

Step by Step Solution

1. Step 1: Write the proportion equation
   388,086.75 : 835,191 = 835,191 : x
2. Step 2: Convert to fraction form
   388,086.75/835,191 = 835,191/x
3. Step 3: Cross multiply
   388,086.75x = 835,191 × 835,191
4. Step 4: Simplify right side
   388,086.75x = 697,544,006,481
5. Step 5: Solve for x
   x = 697,544,006,481/388,086.75
6. Step 6: Final answer
   x = 1,797,391.97