Finding the Third Proportional to 3,636,800 and 5,455,200

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636,800 : 5,455,200 = 5,455,200 : x
2. Step 2: Convert to fraction form
   3,636,800/5,455,200 = 5,455,200/x
3. Step 3: Cross multiply
   3,636,800x = 5,455,200 × 5,455,200
4. Step 4: Simplify right side
   3,636,800x = 29,759,207,040,000
5. Step 5: Solve for x
   x = 29,759,207,040,000/3,636,800
6. Step 6: Final answer
   x = 8,182,800