Finding the Third Proportional to 387,974 and 837,112

Step by Step Solution

1. Step 1: Write the proportion equation
   387,974 : 837,112 = 837,112 : x
2. Step 2: Convert to fraction form
   387,974/837,112 = 837,112/x
3. Step 3: Cross multiply
   387,974x = 837,112 × 837,112
4. Step 4: Simplify right side
   387,974x = 700,756,500,544
5. Step 5: Solve for x
   x = 700,756,500,544/387,974
6. Step 6: Final answer
   x = 1,806,194.49