Finding the Third Proportional to 1,198,320 and 1,685,517

Step by Step Solution

1. Step 1: Write the proportion equation
   1,198,320 : 1,685,517 = 1,685,517 : x
2. Step 2: Convert to fraction form
   1,198,320/1,685,517 = 1,685,517/x
3. Step 3: Cross multiply
   1,198,320x = 1,685,517 × 1,685,517
4. Step 4: Simplify right side
   1,198,320x = 2,840,967,557,289
5. Step 5: Solve for x
   x = 2,840,967,557,289/1,198,320
6. Step 6: Final answer
   x = 2,370,792.07