Finding the Third Proportional to 4,181,072 and 8,864,544

Step by Step Solution

1. Step 1: Write the proportion equation
   4,181,072 : 8,864,544 = 8,864,544 : x
2. Step 2: Convert to fraction form
   4,181,072/8,864,544 = 8,864,544/x
3. Step 3: Cross multiply
   4,181,072x = 8,864,544 × 8,864,544
4. Step 4: Simplify right side
   4,181,072x = 78,580,140,327,936
5. Step 5: Solve for x
   x = 78,580,140,327,936/4,181,072
6. Step 6: Final answer
   x = 18,794,256.67