Finding the Third Proportional to 6,624,456 and 9,969,855

Step by Step Solution

1. Step 1: Write the proportion equation
   6,624,456 : 9,969,855 = 9,969,855 : x
2. Step 2: Convert to fraction form
   6,624,456/9,969,855 = 9,969,855/x
3. Step 3: Cross multiply
   6,624,456x = 9,969,855 × 9,969,855
4. Step 4: Simplify right side
   6,624,456x = 99,398,008,721,025
5. Step 5: Solve for x
   x = 99,398,008,721,025/6,624,456
6. Step 6: Final answer
   x = 15,004,705.10