Finding the Third Proportional to 4,040,376 and 8,977,608

Step by Step Solution

1. Step 1: Write the proportion equation
   4,040,376 : 8,977,608 = 8,977,608 : x
2. Step 2: Convert to fraction form
   4,040,376/8,977,608 = 8,977,608/x
3. Step 3: Cross multiply
   4,040,376x = 8,977,608 × 8,977,608
4. Step 4: Simplify right side
   4,040,376x = 80,597,445,401,664
5. Step 5: Solve for x
   x = 80,597,445,401,664/4,040,376
6. Step 6: Final answer
   x = 19,948,006.18