Finding the Third Proportional to 389,742 and 850,014

Step by Step Solution

1. Step 1: Write the proportion equation
   389,742 : 850,014 = 850,014 : x
2. Step 2: Convert to fraction form
   389,742/850,014 = 850,014/x
3. Step 3: Cross multiply
   389,742x = 850,014 × 850,014
4. Step 4: Simplify right side
   389,742x = 722,523,800,196
5. Step 5: Solve for x
   x = 722,523,800,196/389,742
6. Step 6: Final answer
   x = 1,853,851.52