Finding the Third Proportional to 4,143,456 and 8,574,624

Step by Step Solution

1. Step 1: Write the proportion equation
   4,143,456 : 8,574,624 = 8,574,624 : x
2. Step 2: Convert to fraction form
   4,143,456/8,574,624 = 8,574,624/x
3. Step 3: Cross multiply
   4,143,456x = 8,574,624 × 8,574,624
4. Step 4: Simplify right side
   4,143,456x = 73,524,176,741,376
5. Step 5: Solve for x
   x = 73,524,176,741,376/4,143,456
6. Step 6: Final answer
   x = 17,744,650.06