Finding the Third Proportional to 3,636,600 and 5,454,900

Step by Step Solution

1. Step 1: Write the proportion equation
   3,636,600 : 5,454,900 = 5,454,900 : x
2. Step 2: Convert to fraction form
   3,636,600/5,454,900 = 5,454,900/x
3. Step 3: Cross multiply
   3,636,600x = 5,454,900 × 5,454,900
4. Step 4: Simplify right side
   3,636,600x = 29,755,934,010,000
5. Step 5: Solve for x
   x = 29,755,934,010,000/3,636,600
6. Step 6: Final answer
   x = 8,182,350