Finding the Third Proportional to 6,464,891 and 9,679,530

Step by Step Solution

1. Step 1: Write the proportion equation
   6,464,891 : 9,679,530 = 9,679,530 : x
2. Step 2: Convert to fraction form
   6,464,891/9,679,530 = 9,679,530/x
3. Step 3: Cross multiply
   6,464,891x = 9,679,530 × 9,679,530
4. Step 4: Simplify right side
   6,464,891x = 93,693,301,020,900
5. Step 5: Solve for x
   x = 93,693,301,020,900/6,464,891
6. Step 6: Final answer
   x = 14,492,634.30