Finding the Third Proportional to 3,405,562 and 5,122,644

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405,562 : 5,122,644 = 5,122,644 : x
2. Step 2: Convert to fraction form
   3,405,562/5,122,644 = 5,122,644/x
3. Step 3: Cross multiply
   3,405,562x = 5,122,644 × 5,122,644
4. Step 4: Simplify right side
   3,405,562x = 26,241,481,550,736
5. Step 5: Solve for x
   x = 26,241,481,550,736/3,405,562
6. Step 6: Final answer
   x = 7,705,477.55