Finding the Third Proportional to 3,128,222 and 6,854,386

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128,222 : 6,854,386 = 6,854,386 : x
2. Step 2: Convert to fraction form
   3,128,222/6,854,386 = 6,854,386/x
3. Step 3: Cross multiply
   3,128,222x = 6,854,386 × 6,854,386
4. Step 4: Simplify right side
   3,128,222x = 46,982,607,436,996
5. Step 5: Solve for x
   x = 46,982,607,436,996/3,128,222
6. Step 6: Final answer
   x = 15,018,949.24