Finding the Third Proportional to 187,850 and 442,990

Step by Step Solution

1. Step 1: Write the proportion equation
   187,850 : 442,990 = 442,990 : x
2. Step 2: Convert to fraction form
   187,850/442,990 = 442,990/x
3. Step 3: Cross multiply
   187,850x = 442,990 × 442,990
4. Step 4: Simplify right side
   187,850x = 196,240,140,100
5. Step 5: Solve for x
   x = 196,240,140,100/187,850
6. Step 6: Final answer
   x = 1,044,664.04