Finding the Third Proportional to 814,983 and 1,290,204

Step by Step Solution

1. Step 1: Write the proportion equation
   814,983 : 1,290,204 = 1,290,204 : x
2. Step 2: Convert to fraction form
   814,983/1,290,204 = 1,290,204/x
3. Step 3: Cross multiply
   814,983x = 1,290,204 × 1,290,204
4. Step 4: Simplify right side
   814,983x = 1,664,626,361,616
5. Step 5: Solve for x
   x = 1,664,626,361,616/814,983
6. Step 6: Final answer
   x = 2,042,528.94