Finding the Third Proportional to 2,257,432 and 4,821,018

Step by Step Solution

1. Step 1: Write the proportion equation
   2,257,432 : 4,821,018 = 4,821,018 : x
2. Step 2: Convert to fraction form
   2,257,432/4,821,018 = 4,821,018/x
3. Step 3: Cross multiply
   2,257,432x = 4,821,018 × 4,821,018
4. Step 4: Simplify right side
   2,257,432x = 23,242,214,556,324
5. Step 5: Solve for x
   x = 23,242,214,556,324/2,257,432
6. Step 6: Final answer
   x = 10,295,864.75