Finding the Third Proportional to 1,196,978 and 1,796,720

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196,978 : 1,796,720 = 1,796,720 : x
2. Step 2: Convert to fraction form
   1,196,978/1,796,720 = 1,796,720/x
3. Step 3: Cross multiply
   1,196,978x = 1,796,720 × 1,796,720
4. Step 4: Simplify right side
   1,196,978x = 3,228,202,758,400
5. Step 5: Solve for x
   x = 3,228,202,758,400/1,196,978
6. Step 6: Final answer
   x = 2,696,960.81