Finding the Third Proportional to 810,732 and 1,777,128

Step by Step Solution

1. Step 1: Write the proportion equation
   810,732 : 1,777,128 = 1,777,128 : x
2. Step 2: Convert to fraction form
   810,732/1,777,128 = 1,777,128/x
3. Step 3: Cross multiply
   810,732x = 1,777,128 × 1,777,128
4. Step 4: Simplify right side
   810,732x = 3,158,183,928,384
5. Step 5: Solve for x
   x = 3,158,183,928,384/810,732
6. Step 6: Final answer
   x = 3,895,472.15