Finding the Third Proportional to 187,705.50 and 404,935.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,705.50 : 404,935.50 = 404,935.50 : x
2. Step 2: Convert to fraction form
   187,705.50/404,935.50 = 404,935.50/x
3. Step 3: Cross multiply
   187,705.50x = 404,935.50 × 404,935.50
4. Step 4: Simplify right side
   187,705.50x = 163,972,759,160.25
5. Step 5: Solve for x
   x = 163,972,759,160.25/187,705.50
6. Step 6: Final answer
   x = 873,563.96