Finding the Third Proportional to 598,455 and 1,280,988

Step by Step Solution

1. Step 1: Write the proportion equation
   598,455 : 1,280,988 = 1,280,988 : x
2. Step 2: Convert to fraction form
   598,455/1,280,988 = 1,280,988/x
3. Step 3: Cross multiply
   598,455x = 1,280,988 × 1,280,988
4. Step 4: Simplify right side
   598,455x = 1,640,930,256,144
5. Step 5: Solve for x
   x = 1,640,930,256,144/598,455
6. Step 6: Final answer
   x = 2,741,944.27