Finding the Third Proportional to 584,530 and 1,256,404

Step by Step Solution

1. Step 1: Write the proportion equation
   584,530 : 1,256,404 = 1,256,404 : x
2. Step 2: Convert to fraction form
   584,530/1,256,404 = 1,256,404/x
3. Step 3: Cross multiply
   584,530x = 1,256,404 × 1,256,404
4. Step 4: Simplify right side
   584,530x = 1,578,551,011,216
5. Step 5: Solve for x
   x = 1,578,551,011,216/584,530
6. Step 6: Final answer
   x = 2,700,547.47