Finding the Third Proportional to 387,993 and 837,150

Step by Step Solution

1. Step 1: Write the proportion equation
   387,993 : 837,150 = 837,150 : x
2. Step 2: Convert to fraction form
   387,993/837,150 = 837,150/x
3. Step 3: Cross multiply
   387,993x = 837,150 × 837,150
4. Step 4: Simplify right side
   387,993x = 700,820,122,500
5. Step 5: Solve for x
   x = 700,820,122,500/387,993
6. Step 6: Final answer
   x = 1,806,270.02