Finding the Third Proportional to 574,856 and 1,209,256

Step by Step Solution

1. Step 1: Write the proportion equation
   574,856 : 1,209,256 = 1,209,256 : x
2. Step 2: Convert to fraction form
   574,856/1,209,256 = 1,209,256/x
3. Step 3: Cross multiply
   574,856x = 1,209,256 × 1,209,256
4. Step 4: Simplify right side
   574,856x = 1,462,300,073,536
5. Step 5: Solve for x
   x = 1,462,300,073,536/574,856
6. Step 6: Final answer
   x = 2,543,767.61