Finding the Third Proportional to 1,224,728 and 2,659,408

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224,728 : 2,659,408 = 2,659,408 : x
2. Step 2: Convert to fraction form
   1,224,728/2,659,408 = 2,659,408/x
3. Step 3: Cross multiply
   1,224,728x = 2,659,408 × 2,659,408
4. Step 4: Simplify right side
   1,224,728x = 7,072,450,910,464
5. Step 5: Solve for x
   x = 7,072,450,910,464/1,224,728
6. Step 6: Final answer
   x = 5,774,711.54