Finding the Third Proportional to 5,456,344 and 8,150,820

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456,344 : 8,150,820 = 8,150,820 : x
2. Step 2: Convert to fraction form
   5,456,344/8,150,820 = 8,150,820/x
3. Step 3: Cross multiply
   5,456,344x = 8,150,820 × 8,150,820
4. Step 4: Simplify right side
   5,456,344x = 66,435,866,672,400
5. Step 5: Solve for x
   x = 66,435,866,672,400/5,456,344
6. Step 6: Final answer
   x = 12,175,894.09