Finding the Third Proportional to 815,954 and 1,777,060

Step by Step Solution

1. Step 1: Write the proportion equation
   815,954 : 1,777,060 = 1,777,060 : x
2. Step 2: Convert to fraction form
   815,954/1,777,060 = 1,777,060/x
3. Step 3: Cross multiply
   815,954x = 1,777,060 × 1,777,060
4. Step 4: Simplify right side
   815,954x = 3,157,942,243,600
5. Step 5: Solve for x
   x = 3,157,942,243,600/815,954
6. Step 6: Final answer
   x = 3,870,245.43