Finding the Third Proportional to 3,403,380 and 5,339,648

Step by Step Solution

1. Step 1: Write the proportion equation
   3,403,380 : 5,339,648 = 5,339,648 : x
2. Step 2: Convert to fraction form
   3,403,380/5,339,648 = 5,339,648/x
3. Step 3: Cross multiply
   3,403,380x = 5,339,648 × 5,339,648
4. Step 4: Simplify right side
   3,403,380x = 28,511,840,763,904
5. Step 5: Solve for x
   x = 28,511,840,763,904/3,403,380
6. Step 6: Final answer
   x = 8,377,507.29