Finding the Third Proportional to 6,464,554 and 10,009,494

Step by Step Solution

1. Step 1: Write the proportion equation
   6,464,554 : 10,009,494 = 10,009,494 : x
2. Step 2: Convert to fraction form
   6,464,554/10,009,494 = 10,009,494/x
3. Step 3: Cross multiply
   6,464,554x = 10,009,494 × 10,009,494
4. Step 4: Simplify right side
   6,464,554x = 100,189,970,136,036
5. Step 5: Solve for x
   x = 100,189,970,136,036/6,464,554
6. Step 6: Final answer
   x = 15,498,357.68