Finding the Third Proportional to 657,267 and 1,345,686

Step by Step Solution

1. Step 1: Write the proportion equation
   657,267 : 1,345,686 = 1,345,686 : x
2. Step 2: Convert to fraction form
   657,267/1,345,686 = 1,345,686/x
3. Step 3: Cross multiply
   657,267x = 1,345,686 × 1,345,686
4. Step 4: Simplify right side
   657,267x = 1,810,870,810,596
5. Step 5: Solve for x
   x = 1,810,870,810,596/657,267
6. Step 6: Final answer
   x = 2,755,152.49