Finding the Third Proportional to 815,816 and 1,793,144

Step by Step Solution

1. Step 1: Write the proportion equation
   815,816 : 1,793,144 = 1,793,144 : x
2. Step 2: Convert to fraction form
   815,816/1,793,144 = 1,793,144/x
3. Step 3: Cross multiply
   815,816x = 1,793,144 × 1,793,144
4. Step 4: Simplify right side
   815,816x = 3,215,365,404,736
5. Step 5: Solve for x
   x = 3,215,365,404,736/815,816
6. Step 6: Final answer
   x = 3,941,287.50