Finding the Third Proportional to 886,158 and 1,328,912

Step by Step Solution

1. Step 1: Write the proportion equation
   886,158 : 1,328,912 = 1,328,912 : x
2. Step 2: Convert to fraction form
   886,158/1,328,912 = 1,328,912/x
3. Step 3: Cross multiply
   886,158x = 1,328,912 × 1,328,912
4. Step 4: Simplify right side
   886,158x = 1,766,007,103,744
5. Step 5: Solve for x
   x = 1,766,007,103,744/886,158
6. Step 6: Final answer
   x = 1,992,880.62