Finding the Third Proportional to 490,900 and 1,059,256

Step by Step Solution

1. Step 1: Write the proportion equation
   490,900 : 1,059,256 = 1,059,256 : x
2. Step 2: Convert to fraction form
   490,900/1,059,256 = 1,059,256/x
3. Step 3: Cross multiply
   490,900x = 1,059,256 × 1,059,256
4. Step 4: Simplify right side
   490,900x = 1,122,023,273,536
5. Step 5: Solve for x
   x = 1,122,023,273,536/490,900
6. Step 6: Final answer
   x = 2,285,645.29