Finding the Third Proportional to 3,515,844 and 5,283,128

Step by Step Solution

1. Step 1: Write the proportion equation
   3,515,844 : 5,283,128 = 5,283,128 : x
2. Step 2: Convert to fraction form
   3,515,844/5,283,128 = 5,283,128/x
3. Step 3: Cross multiply
   3,515,844x = 5,283,128 × 5,283,128
4. Step 4: Simplify right side
   3,515,844x = 27,911,441,464,384
5. Step 5: Solve for x
   x = 27,911,441,464,384/3,515,844
6. Step 6: Final answer
   x = 7,938,759.93