Finding the Third Proportional to 2,018,018 and 4,342,180

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018,018 : 4,342,180 = 4,342,180 : x
2. Step 2: Convert to fraction form
   2,018,018/4,342,180 = 4,342,180/x
3. Step 3: Cross multiply
   2,018,018x = 4,342,180 × 4,342,180
4. Step 4: Simplify right side
   2,018,018x = 18,854,527,152,400
5. Step 5: Solve for x
   x = 18,854,527,152,400/2,018,018
6. Step 6: Final answer
   x = 9,343,091.66