Finding the Third Proportional to 638,361 and 1,383,093

Step by Step Solution

1. Step 1: Write the proportion equation
   638,361 : 1,383,093 = 1,383,093 : x
2. Step 2: Convert to fraction form
   638,361/1,383,093 = 1,383,093/x
3. Step 3: Cross multiply
   638,361x = 1,383,093 × 1,383,093
4. Step 4: Simplify right side
   638,361x = 1,912,946,246,649
5. Step 5: Solve for x
   x = 1,912,946,246,649/638,361
6. Step 6: Final answer
   x = 2,996,652.75