Finding the Third Proportional to 3,981,258 and 8,483,994

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981,258 : 8,483,994 = 8,483,994 : x
2. Step 2: Convert to fraction form
   3,981,258/8,483,994 = 8,483,994/x
3. Step 3: Cross multiply
   3,981,258x = 8,483,994 × 8,483,994
4. Step 4: Simplify right side
   3,981,258x = 71,978,154,192,036
5. Step 5: Solve for x
   x = 71,978,154,192,036/3,981,258
6. Step 6: Final answer
   x = 18,079,248.87