Finding the Third Proportional to 2,163,456 and 3,367,440

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,456 : 3,367,440 = 3,367,440 : x
2. Step 2: Convert to fraction form
   2,163,456/3,367,440 = 3,367,440/x
3. Step 3: Cross multiply
   2,163,456x = 3,367,440 × 3,367,440
4. Step 4: Simplify right side
   2,163,456x = 11,339,652,153,600
5. Step 5: Solve for x
   x = 11,339,652,153,600/2,163,456
6. Step 6: Final answer
   x = 5,241,452.64