Finding the Third Proportional to 389,432.50 and 837,036

Step by Step Solution

1. Step 1: Write the proportion equation
   389,432.50 : 837,036 = 837,036 : x
2. Step 2: Convert to fraction form
   389,432.50/837,036 = 837,036/x
3. Step 3: Cross multiply
   389,432.50x = 837,036 × 837,036
4. Step 4: Simplify right side
   389,432.50x = 700,629,265,296
5. Step 5: Solve for x
   x = 700,629,265,296/389,432.50
6. Step 6: Final answer
   x = 1,799,103.22