Finding the Third Proportional to 2,258,323 and 3,219,287

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258,323 : 3,219,287 = 3,219,287 : x
2. Step 2: Convert to fraction form
   2,258,323/3,219,287 = 3,219,287/x
3. Step 3: Cross multiply
   2,258,323x = 3,219,287 × 3,219,287
4. Step 4: Simplify right side
   2,258,323x = 10,363,808,788,369
5. Step 5: Solve for x
   x = 10,363,808,788,369/2,258,323
6. Step 6: Final answer
   x = 4,589,161.42