Finding the Third Proportional to 6,413,648 and 13,358,008

Step by Step Solution

1. Step 1: Write the proportion equation
   6,413,648 : 13,358,008 = 13,358,008 : x
2. Step 2: Convert to fraction form
   6,413,648/13,358,008 = 13,358,008/x
3. Step 3: Cross multiply
   6,413,648x = 13,358,008 × 13,358,008
4. Step 4: Simplify right side
   6,413,648x = 178,436,377,728,064
5. Step 5: Solve for x
   x = 178,436,377,728,064/6,413,648
6. Step 6: Final answer
   x = 27,821,354.98