Finding the Third Proportional to 810,600 and 1,776,864

Step by Step Solution

1. Step 1: Write the proportion equation
   810,600 : 1,776,864 = 1,776,864 : x
2. Step 2: Convert to fraction form
   810,600/1,776,864 = 1,776,864/x
3. Step 3: Cross multiply
   810,600x = 1,776,864 × 1,776,864
4. Step 4: Simplify right side
   810,600x = 3,157,245,674,496
5. Step 5: Solve for x
   x = 3,157,245,674,496/810,600
6. Step 6: Final answer
   x = 3,894,949.02