Finding the Third Proportional to 538,510 and 844,834

Step by Step Solution

1. Step 1: Write the proportion equation
   538,510 : 844,834 = 844,834 : x
2. Step 2: Convert to fraction form
   538,510/844,834 = 844,834/x
3. Step 3: Cross multiply
   538,510x = 844,834 × 844,834
4. Step 4: Simplify right side
   538,510x = 713,744,487,556
5. Step 5: Solve for x
   x = 713,744,487,556/538,510
6. Step 6: Final answer
   x = 1,325,406.19