Finding the Third Proportional to 774,426 and 1,677,538

Step by Step Solution

1. Step 1: Write the proportion equation
   774,426 : 1,677,538 = 1,677,538 : x
2. Step 2: Convert to fraction form
   774,426/1,677,538 = 1,677,538/x
3. Step 3: Cross multiply
   774,426x = 1,677,538 × 1,677,538
4. Step 4: Simplify right side
   774,426x = 2,814,133,741,444
5. Step 5: Solve for x
   x = 2,814,133,741,444/774,426
6. Step 6: Final answer
   x = 3,633,831.69