Finding the Third Proportional to 598,862 and 1,280,700

Step by Step Solution

1. Step 1: Write the proportion equation
   598,862 : 1,280,700 = 1,280,700 : x
2. Step 2: Convert to fraction form
   598,862/1,280,700 = 1,280,700/x
3. Step 3: Cross multiply
   598,862x = 1,280,700 × 1,280,700
4. Step 4: Simplify right side
   598,862x = 1,640,192,490,000
5. Step 5: Solve for x
   x = 1,640,192,490,000/598,862
6. Step 6: Final answer
   x = 2,738,848.83