Finding the Third Proportional to 404,742 and 879,465

Step by Step Solution

1. Step 1: Write the proportion equation
   404,742 : 879,465 = 879,465 : x
2. Step 2: Convert to fraction form
   404,742/879,465 = 879,465/x
3. Step 3: Cross multiply
   404,742x = 879,465 × 879,465
4. Step 4: Simplify right side
   404,742x = 773,458,686,225
5. Step 5: Solve for x
   x = 773,458,686,225/404,742
6. Step 6: Final answer
   x = 1,910,991.91