Finding the Third Proportional to 2,213,434 and 3,256,856

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213,434 : 3,256,856 = 3,256,856 : x
2. Step 2: Convert to fraction form
   2,213,434/3,256,856 = 3,256,856/x
3. Step 3: Cross multiply
   2,213,434x = 3,256,856 × 3,256,856
4. Step 4: Simplify right side
   2,213,434x = 10,607,111,004,736
5. Step 5: Solve for x
   x = 10,607,111,004,736/2,213,434
6. Step 6: Final answer
   x = 4,792,151.47