Finding the Third Proportional to 3,783,744 and 8,407,296

Step by Step Solution

1. Step 1: Write the proportion equation
   3,783,744 : 8,407,296 = 8,407,296 : x
2. Step 2: Convert to fraction form
   3,783,744/8,407,296 = 8,407,296/x
3. Step 3: Cross multiply
   3,783,744x = 8,407,296 × 8,407,296
4. Step 4: Simplify right side
   3,783,744x = 70,682,626,031,616
5. Step 5: Solve for x
   x = 70,682,626,031,616/3,783,744
6. Step 6: Final answer
   x = 18,680,604.72