Finding the Third Proportional to 2,133,470 and 4,665,456

Step by Step Solution

1. Step 1: Write the proportion equation
   2,133,470 : 4,665,456 = 4,665,456 : x
2. Step 2: Convert to fraction form
   2,133,470/4,665,456 = 4,665,456/x
3. Step 3: Cross multiply
   2,133,470x = 4,665,456 × 4,665,456
4. Step 4: Simplify right side
   2,133,470x = 21,766,479,687,936
5. Step 5: Solve for x
   x = 21,766,479,687,936/2,133,470
6. Step 6: Final answer
   x = 10,202,383.76