Finding the Third Proportional to 855,792 and 1,196,390

Step by Step Solution

1. Step 1: Write the proportion equation
   855,792 : 1,196,390 = 1,196,390 : x
2. Step 2: Convert to fraction form
   855,792/1,196,390 = 1,196,390/x
3. Step 3: Cross multiply
   855,792x = 1,196,390 × 1,196,390
4. Step 4: Simplify right side
   855,792x = 1,431,349,032,100
5. Step 5: Solve for x
   x = 1,431,349,032,100/855,792
6. Step 6: Final answer
   x = 1,672,543.13