Finding the Third Proportional to 657,915 and 1,367,542

Step by Step Solution

1. Step 1: Write the proportion equation
   657,915 : 1,367,542 = 1,367,542 : x
2. Step 2: Convert to fraction form
   657,915/1,367,542 = 1,367,542/x
3. Step 3: Cross multiply
   657,915x = 1,367,542 × 1,367,542
4. Step 4: Simplify right side
   657,915x = 1,870,171,121,764
5. Step 5: Solve for x
   x = 1,870,171,121,764/657,915
6. Step 6: Final answer
   x = 2,842,572.55