Finding the Third Proportional to 2,257,428 and 4,821,008

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,428 : 4,821,008 = 4,821,008 : x
2. Step 2: Convert to fraction form
   2,257,428/4,821,008 = 4,821,008/x
3. Step 3: Cross multiply
   2,257,428x = 4,821,008 × 4,821,008
4. Step 4: Simplify right side
   2,257,428x = 23,242,118,136,064
5. Step 5: Solve for x
   x = 23,242,118,136,064/2,257,428
6. Step 6: Final answer
   x = 10,295,840.28