Finding the Third Proportional to 3,515,856 and 5,283,144

Step by Step Solution

1. Step 1: Write the proportion equation
   3,515,856 : 5,283,144 = 5,283,144 : x
2. Step 2: Convert to fraction form
   3,515,856/5,283,144 = 5,283,144/x
3. Step 3: Cross multiply
   3,515,856x = 5,283,144 × 5,283,144
4. Step 4: Simplify right side
   3,515,856x = 27,911,610,524,736
5. Step 5: Solve for x
   x = 27,911,610,524,736/3,515,856
6. Step 6: Final answer
   x = 7,938,780.92