Finding the Third Proportional to 2,203,935 and 3,405,643

Step by Step Solution

1. Step 1: Write the proportion equation
   2,203,935 : 3,405,643 = 3,405,643 : x
2. Step 2: Convert to fraction form
   2,203,935/3,405,643 = 3,405,643/x
3. Step 3: Cross multiply
   2,203,935x = 3,405,643 × 3,405,643
4. Step 4: Simplify right side
   2,203,935x = 11,598,404,243,449
5. Step 5: Solve for x
   x = 11,598,404,243,449/2,203,935
6. Step 6: Final answer
   x = 5,262,589.07