Finding the Third Proportional to 656,212 and 1,426,256

Step by Step Solution

1. Step 1: Write the proportion equation
   656,212 : 1,426,256 = 1,426,256 : x
2. Step 2: Convert to fraction form
   656,212/1,426,256 = 1,426,256/x
3. Step 3: Cross multiply
   656,212x = 1,426,256 × 1,426,256
4. Step 4: Simplify right side
   656,212x = 2,034,206,177,536
5. Step 5: Solve for x
   x = 2,034,206,177,536/656,212
6. Step 6: Final answer
   x = 3,099,922.25