Finding the Third Proportional to 584,582 and 1,256,189

Step by Step Solution

1. Step 1: Write the proportion equation
   584,582 : 1,256,189 = 1,256,189 : x
2. Step 2: Convert to fraction form
   584,582/1,256,189 = 1,256,189/x
3. Step 3: Cross multiply
   584,582x = 1,256,189 × 1,256,189
4. Step 4: Simplify right side
   584,582x = 1,578,010,803,721
5. Step 5: Solve for x
   x = 1,578,010,803,721/584,582
6. Step 6: Final answer
   x = 2,699,383.16