Finding the Third Proportional to 638,334 and 1,383,038

Step by Step Solution

1. Step 1: Write the proportion equation
   638,334 : 1,383,038 = 1,383,038 : x
2. Step 2: Convert to fraction form
   638,334/1,383,038 = 1,383,038/x
3. Step 3: Cross multiply
   638,334x = 1,383,038 × 1,383,038
4. Step 4: Simplify right side
   638,334x = 1,912,794,109,444
5. Step 5: Solve for x
   x = 1,912,794,109,444/638,334
6. Step 6: Final answer
   x = 2,996,541.17