Finding the Third Proportional to 816,149 and 1,776,856

Step by Step Solution

1. Step 1: Write the proportion equation
   816,149 : 1,776,856 = 1,776,856 : x
2. Step 2: Convert to fraction form
   816,149/1,776,856 = 1,776,856/x
3. Step 3: Cross multiply
   816,149x = 1,776,856 × 1,776,856
4. Step 4: Simplify right side
   816,149x = 3,157,217,244,736
5. Step 5: Solve for x
   x = 3,157,217,244,736/816,149
6. Step 6: Final answer
   x = 3,868,432.41