Finding the Third Proportional to 656,736 and 1,418,256

Step by Step Solution

1. Step 1: Write the proportion equation
   656,736 : 1,418,256 = 1,418,256 : x
2. Step 2: Convert to fraction form
   656,736/1,418,256 = 1,418,256/x
3. Step 3: Cross multiply
   656,736x = 1,418,256 × 1,418,256
4. Step 4: Simplify right side
   656,736x = 2,011,450,081,536
5. Step 5: Solve for x
   x = 2,011,450,081,536/656,736
6. Step 6: Final answer
   x = 3,062,798.57