Finding the Third Proportional to 5,451,570 and 8,404,794

Step by Step Solution

1. Step 1: Write the proportion equation
   5,451,570 : 8,404,794 = 8,404,794 : x
2. Step 2: Convert to fraction form
   5,451,570/8,404,794 = 8,404,794/x
3. Step 3: Cross multiply
   5,451,570x = 8,404,794 × 8,404,794
4. Step 4: Simplify right side
   5,451,570x = 70,640,562,182,436
5. Step 5: Solve for x
   x = 70,640,562,182,436/5,451,570
6. Step 6: Final answer
   x = 12,957,838.23