Finding the Third Proportional to 389,735.50 and 837,488

Step by Step Solution

1. Step 1: Write the proportion equation
   389,735.50 : 837,488 = 837,488 : x
2. Step 2: Convert to fraction form
   389,735.50/837,488 = 837,488/x
3. Step 3: Cross multiply
   389,735.50x = 837,488 × 837,488
4. Step 4: Simplify right side
   389,735.50x = 701,386,150,144
5. Step 5: Solve for x
   x = 701,386,150,144/389,735.50
6. Step 6: Final answer
   x = 1,799,646.56