Finding the Third Proportional to 6,464,551 and 10,009,491

Step by Step Solution

1. Step 1: Write the proportion equation
   6,464,551 : 10,009,491 = 10,009,491 : x
2. Step 2: Convert to fraction form
   6,464,551/10,009,491 = 10,009,491/x
3. Step 3: Cross multiply
   6,464,551x = 10,009,491 × 10,009,491
4. Step 4: Simplify right side
   6,464,551x = 100,189,910,079,081
5. Step 5: Solve for x
   x = 100,189,910,079,081/6,464,551
6. Step 6: Final answer
   x = 15,498,355.58