Finding the Third Proportional to 187,503 and 404,940

Step by Step Solution

1. Step 1: Write the proportion equation
   187,503 : 404,940 = 404,940 : x
2. Step 2: Convert to fraction form
   187,503/404,940 = 404,940/x
3. Step 3: Cross multiply
   187,503x = 404,940 × 404,940
4. Step 4: Simplify right side
   187,503x = 163,976,403,600
5. Step 5: Solve for x
   x = 163,976,403,600/187,503
6. Step 6: Final answer
   x = 874,526.83