Finding the Third Proportional to 8,412,018 and 12,603,825

Step by Step Solution

1. Step 1: Write the proportion equation
   8,412,018 : 12,603,825 = 12,603,825 : x
2. Step 2: Convert to fraction form
   8,412,018/12,603,825 = 12,603,825/x
3. Step 3: Cross multiply
   8,412,018x = 12,603,825 × 12,603,825
4. Step 4: Simplify right side
   8,412,018x = 158,856,404,630,625
5. Step 5: Solve for x
   x = 158,856,404,630,625/8,412,018
6. Step 6: Final answer
   x = 18,884,458.48