Finding the Third Proportional to 404,977 and 870,052.75

Step by Step Solution

1. Step 1: Write the proportion equation
   404,977 : 870,052.75 = 870,052.75 : x
2. Step 2: Convert to fraction form
   404,977/870,052.75 = 870,052.75/x
3. Step 3: Cross multiply
   404,977x = 870,052.75 × 870,052.75
4. Step 4: Simplify right side
   404,977x = 756,991,787,782.56
5. Step 5: Solve for x
   x = 756,991,787,782.56/404,977
6. Step 6: Final answer
   x = 1,869,221.68