Finding the Third Proportional to 807,990 and 1,196,367

Step by Step Solution

1. Step 1: Write the proportion equation
   807,990 : 1,196,367 = 1,196,367 : x
2. Step 2: Convert to fraction form
   807,990/1,196,367 = 1,196,367/x
3. Step 3: Cross multiply
   807,990x = 1,196,367 × 1,196,367
4. Step 4: Simplify right side
   807,990x = 1,431,293,998,689
5. Step 5: Solve for x
   x = 1,431,293,998,689/807,990
6. Step 6: Final answer
   x = 1,771,425.39