Finding the Third Proportional to 1,106,400 and 1,708,728

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106,400 : 1,708,728 = 1,708,728 : x
2. Step 2: Convert to fraction form
   1,106,400/1,708,728 = 1,708,728/x
3. Step 3: Cross multiply
   1,106,400x = 1,708,728 × 1,708,728
4. Step 4: Simplify right side
   1,106,400x = 2,919,751,377,984
5. Step 5: Solve for x
   x = 2,919,751,377,984/1,106,400
6. Step 6: Final answer
   x = 2,638,965.45