Finding the Third Proportional to 389,731.50 and 835,834.50

Step by Step Solution

1. Step 1: Write the proportion equation
   389,731.50 : 835,834.50 = 835,834.50 : x
2. Step 2: Convert to fraction form
   389,731.50/835,834.50 = 835,834.50/x
3. Step 3: Cross multiply
   389,731.50x = 835,834.50 × 835,834.50
4. Step 4: Simplify right side
   389,731.50x = 698,619,311,390.25
5. Step 5: Solve for x
   x = 698,619,311,390.25/389,731.50
6. Step 6: Final answer
   x = 1,792,565.68