Finding the Third Proportional to 386,351.25 and 837,016.50

Step by Step Solution

1. Step 1: Write the proportion equation
   386,351.25 : 837,016.50 = 837,016.50 : x
2. Step 2: Convert to fraction form
   386,351.25/837,016.50 = 837,016.50/x
3. Step 3: Cross multiply
   386,351.25x = 837,016.50 × 837,016.50
4. Step 4: Simplify right side
   386,351.25x = 700,596,621,272.25
5. Step 5: Solve for x
   x = 700,596,621,272.25/386,351.25
6. Step 6: Final answer
   x = 1,813,367.04