Finding the Third Proportional to 4,082,456 and 8,788,936

Step by Step Solution

1. Step 1: Write the proportion equation
   4,082,456 : 8,788,936 = 8,788,936 : x
2. Step 2: Convert to fraction form
   4,082,456/8,788,936 = 8,788,936/x
3. Step 3: Cross multiply
   4,082,456x = 8,788,936 × 8,788,936
4. Step 4: Simplify right side
   4,082,456x = 77,245,396,012,096
5. Step 5: Solve for x
   x = 77,245,396,012,096/4,082,456
6. Step 6: Final answer
   x = 18,921,305.22