Finding the Third Proportional to 605,866 and 1,274,406

Step by Step Solution

1. Step 1: Write the proportion equation
   605,866 : 1,274,406 = 1,274,406 : x
2. Step 2: Convert to fraction form
   605,866/1,274,406 = 1,274,406/x
3. Step 3: Cross multiply
   605,866x = 1,274,406 × 1,274,406
4. Step 4: Simplify right side
   605,866x = 1,624,110,652,836
5. Step 5: Solve for x
   x = 1,624,110,652,836/605,866
6. Step 6: Final answer
   x = 2,680,643.33