Finding the Third Proportional to 657,296 and 1,345,744

Step by Step Solution

1. Step 1: Write the proportion equation
   657,296 : 1,345,744 = 1,345,744 : x
2. Step 2: Convert to fraction form
   657,296/1,345,744 = 1,345,744/x
3. Step 3: Cross multiply
   657,296x = 1,345,744 × 1,345,744
4. Step 4: Simplify right side
   657,296x = 1,811,026,913,536
5. Step 5: Solve for x
   x = 1,811,026,913,536/657,296
6. Step 6: Final answer
   x = 2,755,268.42