Finding the Third Proportional to 388,574.25 and 836,196.75

Step by Step Solution

1. Step 1: Write the proportion equation
   388,574.25 : 836,196.75 = 836,196.75 : x
2. Step 2: Convert to fraction form
   388,574.25/836,196.75 = 836,196.75/x
3. Step 3: Cross multiply
   388,574.25x = 836,196.75 × 836,196.75
4. Step 4: Simplify right side
   388,574.25x = 699,225,004,710.56
5. Step 5: Solve for x
   x = 699,225,004,710.56/388,574.25
6. Step 6: Final answer
   x = 1,799,463.05