Finding the Third Proportional to 3,728,672 and 7,945,408

Step by Step Solution

1. Step 1: Write the proportion equation
   3,728,672 : 7,945,408 = 7,945,408 : x
2. Step 2: Convert to fraction form
   3,728,672/7,945,408 = 7,945,408/x
3. Step 3: Cross multiply
   3,728,672x = 7,945,408 × 7,945,408
4. Step 4: Simplify right side
   3,728,672x = 63,129,508,286,464
5. Step 5: Solve for x
   x = 63,129,508,286,464/3,728,672
6. Step 6: Final answer
   x = 16,930,829.07