Finding the Third Proportional to 673,390 and 1,496,256

Step by Step Solution

1. Step 1: Write the proportion equation
   673,390 : 1,496,256 = 1,496,256 : x
2. Step 2: Convert to fraction form
   673,390/1,496,256 = 1,496,256/x
3. Step 3: Cross multiply
   673,390x = 1,496,256 × 1,496,256
4. Step 4: Simplify right side
   673,390x = 2,238,782,017,536
5. Step 5: Solve for x
   x = 2,238,782,017,536/673,390
6. Step 6: Final answer
   x = 3,324,643.99