Finding the Third Proportional to 1,174,355 and 2,255,398

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174,355 : 2,255,398 = 2,255,398 : x
2. Step 2: Convert to fraction form
   1,174,355/2,255,398 = 2,255,398/x
3. Step 3: Cross multiply
   1,174,355x = 2,255,398 × 2,255,398
4. Step 4: Simplify right side
   1,174,355x = 5,086,820,138,404
5. Step 5: Solve for x
   x = 5,086,820,138,404/1,174,355
6. Step 6: Final answer
   x = 4,331,586.39