Finding the Third Proportional to 6,990,403 and 9,444,469

Step by Step Solution

1. Step 1: Write the proportion equation
   6,990,403 : 9,444,469 = 9,444,469 : x
2. Step 2: Convert to fraction form
   6,990,403/9,444,469 = 9,444,469/x
3. Step 3: Cross multiply
   6,990,403x = 9,444,469 × 9,444,469
4. Step 4: Simplify right side
   6,990,403x = 89,197,994,691,961
5. Step 5: Solve for x
   x = 89,197,994,691,961/6,990,403
6. Step 6: Final answer
   x = 12,760,064.72