Finding the Third Proportional to 598,364 and 1,280,800

Step by Step Solution

1. Step 1: Write the proportion equation
   598,364 : 1,280,800 = 1,280,800 : x
2. Step 2: Convert to fraction form
   598,364/1,280,800 = 1,280,800/x
3. Step 3: Cross multiply
   598,364x = 1,280,800 × 1,280,800
4. Step 4: Simplify right side
   598,364x = 1,640,448,640,000
5. Step 5: Solve for x
   x = 1,640,448,640,000/598,364
6. Step 6: Final answer
   x = 2,741,556.38