Finding the Third Proportional to 4,122,812 and 8,977,540

Step by Step Solution

1. Step 1: Write the proportion equation
   4,122,812 : 8,977,540 = 8,977,540 : x
2. Step 2: Convert to fraction form
   4,122,812/8,977,540 = 8,977,540/x
3. Step 3: Cross multiply
   4,122,812x = 8,977,540 × 8,977,540
4. Step 4: Simplify right side
   4,122,812x = 80,596,224,451,600
5. Step 5: Solve for x
   x = 80,596,224,451,600/4,122,812
6. Step 6: Final answer
   x = 19,548,847.84