Finding the Third Proportional to 3,933,227 and 8,558,638

Step by Step Solution

1. Step 1: Write the proportion equation
   3,933,227 : 8,558,638 = 8,558,638 : x
2. Step 2: Convert to fraction form
   3,933,227/8,558,638 = 8,558,638/x
3. Step 3: Cross multiply
   3,933,227x = 8,558,638 × 8,558,638
4. Step 4: Simplify right side
   3,933,227x = 73,250,284,415,044
5. Step 5: Solve for x
   x = 73,250,284,415,044/3,933,227
6. Step 6: Final answer
   x = 18,623,457.13