Finding the Third Proportional to 204,012 and 298,188

Step by Step Solution

1. Step 1: Write the proportion equation
   204,012 : 298,188 = 298,188 : x
2. Step 2: Convert to fraction form
   204,012/298,188 = 298,188/x
3. Step 3: Cross multiply
   204,012x = 298,188 × 298,188
4. Step 4: Simplify right side
   204,012x = 88,916,083,344
5. Step 5: Solve for x
   x = 88,916,083,344/204,012
6. Step 6: Final answer
   x = 435,837.52