Finding the Third Proportional to 1,117,728 and 1,770,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,117,728 : 1,770,648 = 1,770,648 : x
2. Step 2: Convert to fraction form
   1,117,728/1,770,648 = 1,770,648/x
3. Step 3: Cross multiply
   1,117,728x = 1,770,648 × 1,770,648
4. Step 4: Simplify right side
   1,117,728x = 3,135,194,339,904
5. Step 5: Solve for x
   x = 3,135,194,339,904/1,117,728
6. Step 6: Final answer
   x = 2,804,970.74