Finding the Third Proportional to 815,716 and 1,789,016

Step by Step Solution

1. Step 1: Write the proportion equation
   815,716 : 1,789,016 = 1,789,016 : x
2. Step 2: Convert to fraction form
   815,716/1,789,016 = 1,789,016/x
3. Step 3: Cross multiply
   815,716x = 1,789,016 × 1,789,016
4. Step 4: Simplify right side
   815,716x = 3,200,578,248,256
5. Step 5: Solve for x
   x = 3,200,578,248,256/815,716
6. Step 6: Final answer
   x = 3,923,642.85