Finding the Third Proportional to 2,208,890 and 4,831,348

Step by Step Solution

1. Step 1: Write the proportion equation
   2,208,890 : 4,831,348 = 4,831,348 : x
2. Step 2: Convert to fraction form
   2,208,890/4,831,348 = 4,831,348/x
3. Step 3: Cross multiply
   2,208,890x = 4,831,348 × 4,831,348
4. Step 4: Simplify right side
   2,208,890x = 23,341,923,497,104
5. Step 5: Solve for x
   x = 23,341,923,497,104/2,208,890
6. Step 6: Final answer
   x = 10,567,263.87