Finding the Third Proportional to 407,892 and 874,834

Step by Step Solution

1. Step 1: Write the proportion equation
   407,892 : 874,834 = 874,834 : x
2. Step 2: Convert to fraction form
   407,892/874,834 = 874,834/x
3. Step 3: Cross multiply
   407,892x = 874,834 × 874,834
4. Step 4: Simplify right side
   407,892x = 765,334,527,556
5. Step 5: Solve for x
   x = 765,334,527,556/407,892
6. Step 6: Final answer
   x = 1,876,316.59