Finding the Third Proportional to 187,521 and 404,361

Step by Step Solution

1. Step 1: Write the proportion equation
   187,521 : 404,361 = 404,361 : x
2. Step 2: Convert to fraction form
   187,521/404,361 = 404,361/x
3. Step 3: Cross multiply
   187,521x = 404,361 × 404,361
4. Step 4: Simplify right side
   187,521x = 163,507,818,321
5. Step 5: Solve for x
   x = 163,507,818,321/187,521
6. Step 6: Final answer
   x = 871,944.04