Finding the Third Proportional to 4,628,010 and 9,967,216

Step by Step Solution

1. Step 1: Write the proportion equation
   4,628,010 : 9,967,216 = 9,967,216 : x
2. Step 2: Convert to fraction form
   4,628,010/9,967,216 = 9,967,216/x
3. Step 3: Cross multiply
   4,628,010x = 9,967,216 × 9,967,216
4. Step 4: Simplify right side
   4,628,010x = 99,345,394,790,656
5. Step 5: Solve for x
   x = 99,345,394,790,656/4,628,010
6. Step 6: Final answer
   x = 21,466,114.98