Finding the Third Proportional to 2,203,963 and 3,405,684

Step by Step Solution

1. Step 1: Write the proportion equation
   2,203,963 : 3,405,684 = 3,405,684 : x
2. Step 2: Convert to fraction form
   2,203,963/3,405,684 = 3,405,684/x
3. Step 3: Cross multiply
   2,203,963x = 3,405,684 × 3,405,684
4. Step 4: Simplify right side
   2,203,963x = 11,598,683,507,856
5. Step 5: Solve for x
   x = 11,598,683,507,856/2,203,963
6. Step 6: Final answer
   x = 5,262,648.92