Finding the Third Proportional to 187,826 and 442,942

Step by Step Solution

1. Step 1: Write the proportion equation
   187,826 : 442,942 = 442,942 : x
2. Step 2: Convert to fraction form
   187,826/442,942 = 442,942/x
3. Step 3: Cross multiply
   187,826x = 442,942 × 442,942
4. Step 4: Simplify right side
   187,826x = 196,197,615,364
5. Step 5: Solve for x
   x = 196,197,615,364/187,826
6. Step 6: Final answer
   x = 1,044,571.12