Finding the Third Proportional to 2,538,338 and 5,539,693

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538,338 : 5,539,693 = 5,539,693 : x
2. Step 2: Convert to fraction form
   2,538,338/5,539,693 = 5,539,693/x
3. Step 3: Cross multiply
   2,538,338x = 5,539,693 × 5,539,693
4. Step 4: Simplify right side
   2,538,338x = 30,688,198,534,249
5. Step 5: Solve for x
   x = 30,688,198,534,249/2,538,338
6. Step 6: Final answer
   x = 12,089,878.71