Finding the Third Proportional to 187,685.86 and 404,896.22

Step by Step Solution

1. Step 1: Write the proportion equation
   187,685.86 : 404,896.22 = 404,896.22 : x
2. Step 2: Convert to fraction form
   187,685.86/404,896.22 = 404,896.22/x
3. Step 3: Cross multiply
   187,685.86x = 404,896.22 × 404,896.22
4. Step 4: Simplify right side
   187,685.86x = 163,940,947,958.05
5. Step 5: Solve for x
   x = 163,940,947,958.05/187,685.86
6. Step 6: Final answer
   x = 873,485.88