Finding the Third Proportional to 3,538,728 and 5,337,408

Step by Step Solution

1. Step 1: Write the proportion equation
   3,538,728 : 5,337,408 = 5,337,408 : x
2. Step 2: Convert to fraction form
   3,538,728/5,337,408 = 5,337,408/x
3. Step 3: Cross multiply
   3,538,728x = 5,337,408 × 5,337,408
4. Step 4: Simplify right side
   3,538,728x = 28,487,924,158,464
5. Step 5: Solve for x
   x = 28,487,924,158,464/3,538,728
6. Step 6: Final answer
   x = 8,050,328.86