Finding the Third Proportional to 486,994 and 1,067,388

Step by Step Solution

1. Step 1: Write the proportion equation
   486,994 : 1,067,388 = 1,067,388 : x
2. Step 2: Convert to fraction form
   486,994/1,067,388 = 1,067,388/x
3. Step 3: Cross multiply
   486,994x = 1,067,388 × 1,067,388
4. Step 4: Simplify right side
   486,994x = 1,139,317,142,544
5. Step 5: Solve for x
   x = 1,139,317,142,544/486,994
6. Step 6: Final answer
   x = 2,339,489.07