Finding the Third Proportional to 4,036,036 and 8,684,360

Step by Step Solution

1. Step 1: Write the proportion equation
   4,036,036 : 8,684,360 = 8,684,360 : x
2. Step 2: Convert to fraction form
   4,036,036/8,684,360 = 8,684,360/x
3. Step 3: Cross multiply
   4,036,036x = 8,684,360 × 8,684,360
4. Step 4: Simplify right side
   4,036,036x = 75,418,108,609,600
5. Step 5: Solve for x
   x = 75,418,108,609,600/4,036,036
6. Step 6: Final answer
   x = 18,686,183.33