Finding the Third Proportional to 505,256 and 1,090,646

Step by Step Solution

1. Step 1: Write the proportion equation
   505,256 : 1,090,646 = 1,090,646 : x
2. Step 2: Convert to fraction form
   505,256/1,090,646 = 1,090,646/x
3. Step 3: Cross multiply
   505,256x = 1,090,646 × 1,090,646
4. Step 4: Simplify right side
   505,256x = 1,189,508,697,316
5. Step 5: Solve for x
   x = 1,189,508,697,316/505,256
6. Step 6: Final answer
   x = 2,354,269.32