Finding the Third Proportional to 388,089.50 and 835,196

Step by Step Solution

1. Step 1: Write the proportion equation
   388,089.50 : 835,196 = 835,196 : x
2. Step 2: Convert to fraction form
   388,089.50/835,196 = 835,196/x
3. Step 3: Cross multiply
   388,089.50x = 835,196 × 835,196
4. Step 4: Simplify right side
   388,089.50x = 697,552,358,416
5. Step 5: Solve for x
   x = 697,552,358,416/388,089.50
6. Step 6: Final answer
   x = 1,797,400.75