Finding the Third Proportional to 1,270,408 and 2,789,672

Step by Step Solution

1. Step 1: Write the proportion equation
   1,270,408 : 2,789,672 = 2,789,672 : x
2. Step 2: Convert to fraction form
   1,270,408/2,789,672 = 2,789,672/x
3. Step 3: Cross multiply
   1,270,408x = 2,789,672 × 2,789,672
4. Step 4: Simplify right side
   1,270,408x = 7,782,269,867,584
5. Step 5: Solve for x
   x = 7,782,269,867,584/1,270,408
6. Step 6: Final answer
   x = 6,125,803.57