Finding the Third Proportional to 816,144 and 1,776,846

Step by Step Solution

1. Step 1: Write the proportion equation
   816,144 : 1,776,846 = 1,776,846 : x
2. Step 2: Convert to fraction form
   816,144/1,776,846 = 1,776,846/x
3. Step 3: Cross multiply
   816,144x = 1,776,846 × 1,776,846
4. Step 4: Simplify right side
   816,144x = 3,157,181,707,716
5. Step 5: Solve for x
   x = 3,157,181,707,716/816,144
6. Step 6: Final answer
   x = 3,868,412.57