Finding the Third Proportional to 185,640 and 298,908

Step by Step Solution

1. Step 1: Write the proportion equation
   185,640 : 298,908 = 298,908 : x
2. Step 2: Convert to fraction form
   185,640/298,908 = 298,908/x
3. Step 3: Cross multiply
   185,640x = 298,908 × 298,908
4. Step 4: Simplify right side
   185,640x = 89,345,992,464
5. Step 5: Solve for x
   x = 89,345,992,464/185,640
6. Step 6: Final answer
   x = 481,286.32