Finding the Third Proportional to 598,860 and 1,280,696

Step by Step Solution

1. Step 1: Write the proportion equation
   598,860 : 1,280,696 = 1,280,696 : x
2. Step 2: Convert to fraction form
   598,860/1,280,696 = 1,280,696/x
3. Step 3: Cross multiply
   598,860x = 1,280,696 × 1,280,696
4. Step 4: Simplify right side
   598,860x = 1,640,182,244,416
5. Step 5: Solve for x
   x = 1,640,182,244,416/598,860
6. Step 6: Final answer
   x = 2,738,840.87