Finding the Third Proportional to 3,630,656 and 7,821,481

Step by Step Solution

1. Step 1: Write the proportion equation
   3,630,656 : 7,821,481 = 7,821,481 : x
2. Step 2: Convert to fraction form
   3,630,656/7,821,481 = 7,821,481/x
3. Step 3: Cross multiply
   3,630,656x = 7,821,481 × 7,821,481
4. Step 4: Simplify right side
   3,630,656x = 61,175,565,033,361
5. Step 5: Solve for x
   x = 61,175,565,033,361/3,630,656
6. Step 6: Final answer
   x = 16,849,727.72