Finding the Third Proportional to 187,372 and 404,654

Step by Step Solution

1. Step 1: Write the proportion equation
   187,372 : 404,654 = 404,654 : x
2. Step 2: Convert to fraction form
   187,372/404,654 = 404,654/x
3. Step 3: Cross multiply
   187,372x = 404,654 × 404,654
4. Step 4: Simplify right side
   187,372x = 163,744,859,716
5. Step 5: Solve for x
   x = 163,744,859,716/187,372
6. Step 6: Final answer
   x = 873,902.50