Finding the Third Proportional to 187,828 and 442,946

Step by Step Solution

1. Step 1: Write the proportion equation
   187,828 : 442,946 = 442,946 : x
2. Step 2: Convert to fraction form
   187,828/442,946 = 442,946/x
3. Step 3: Cross multiply
   187,828x = 442,946 × 442,946
4. Step 4: Simplify right side
   187,828x = 196,201,158,916
5. Step 5: Solve for x
   x = 196,201,158,916/187,828
6. Step 6: Final answer
   x = 1,044,578.86