Finding the Third Proportional to 2,131,456 and 4,459,968

Step by Step Solution

1. Step 1: Write the proportion equation
   2,131,456 : 4,459,968 = 4,459,968 : x
2. Step 2: Convert to fraction form
   2,131,456/4,459,968 = 4,459,968/x
3. Step 3: Cross multiply
   2,131,456x = 4,459,968 × 4,459,968
4. Step 4: Simplify right side
   2,131,456x = 19,891,314,561,024
5. Step 5: Solve for x
   x = 19,891,314,561,024/2,131,456
6. Step 6: Final answer
   x = 9,332,266.09