Finding the Third Proportional to 187,406 and 298,060

Step by Step Solution

1. Step 1: Write the proportion equation
   187,406 : 298,060 = 298,060 : x
2. Step 2: Convert to fraction form
   187,406/298,060 = 298,060/x
3. Step 3: Cross multiply
   187,406x = 298,060 × 298,060
4. Step 4: Simplify right side
   187,406x = 88,839,763,600
5. Step 5: Solve for x
   x = 88,839,763,600/187,406
6. Step 6: Final answer
   x = 474,049.73