Finding the Third Proportional to 10,284,849 and 21,420,968

Step by Step Solution

1. Step 1: Write the proportion equation
   10,284,849 : 21,420,968 = 21,420,968 : x
2. Step 2: Convert to fraction form
   10,284,849/21,420,968 = 21,420,968/x
3. Step 3: Cross multiply
   10,284,849x = 21,420,968 × 21,420,968
4. Step 4: Simplify right side
   10,284,849x = 458,857,870,057,024
5. Step 5: Solve for x
   x = 458,857,870,057,024/10,284,849
6. Step 6: Final answer
   x = 44,614,935.04