Finding the Third Proportional to 3,451,128 and 5,338,200

Step by Step Solution

1. Step 1: Write the proportion equation
   3,451,128 : 5,338,200 = 5,338,200 : x
2. Step 2: Convert to fraction form
   3,451,128/5,338,200 = 5,338,200/x
3. Step 3: Cross multiply
   3,451,128x = 5,338,200 × 5,338,200
4. Step 4: Simplify right side
   3,451,128x = 28,496,379,240,000
5. Step 5: Solve for x
   x = 28,496,379,240,000/3,451,128
6. Step 6: Final answer
   x = 8,257,120.35