Finding the Third Proportional to 815,928 and 1,777,020

Step by Step Solution

1. Step 1: Write the proportion equation
   815,928 : 1,777,020 = 1,777,020 : x
2. Step 2: Convert to fraction form
   815,928/1,777,020 = 1,777,020/x
3. Step 3: Cross multiply
   815,928x = 1,777,020 × 1,777,020
4. Step 4: Simplify right side
   815,928x = 3,157,800,080,400
5. Step 5: Solve for x
   x = 3,157,800,080,400/815,928
6. Step 6: Final answer
   x = 3,870,194.53