Finding the Third Proportional to 4,102,816 and 8,977,760

Step by Step Solution

1. Step 1: Write the proportion equation
   4,102,816 : 8,977,760 = 8,977,760 : x
2. Step 2: Convert to fraction form
   4,102,816/8,977,760 = 8,977,760/x
3. Step 3: Cross multiply
   4,102,816x = 8,977,760 × 8,977,760
4. Step 4: Simplify right side
   4,102,816x = 80,600,174,617,600
5. Step 5: Solve for x
   x = 80,600,174,617,600/4,102,816
6. Step 6: Final answer
   x = 19,645,086.35