Finding the Third Proportional to 619,233 and 1,280,944

Step by Step Solution

1. Step 1: Write the proportion equation
   619,233 : 1,280,944 = 1,280,944 : x
2. Step 2: Convert to fraction form
   619,233/1,280,944 = 1,280,944/x
3. Step 3: Cross multiply
   619,233x = 1,280,944 × 1,280,944
4. Step 4: Simplify right side
   619,233x = 1,640,817,531,136
5. Step 5: Solve for x
   x = 1,640,817,531,136/619,233
6. Step 6: Final answer
   x = 2,649,757.90