Finding the Third Proportional to 814,492 and 1,684,856

Step by Step Solution

1. Step 1: Write the proportion equation
   814,492 : 1,684,856 = 1,684,856 : x
2. Step 2: Convert to fraction form
   814,492/1,684,856 = 1,684,856/x
3. Step 3: Cross multiply
   814,492x = 1,684,856 × 1,684,856
4. Step 4: Simplify right side
   814,492x = 2,838,739,740,736
5. Step 5: Solve for x
   x = 2,838,739,740,736/814,492
6. Step 6: Final answer
   x = 3,485,288.67