Finding the Third Proportional to 199.55 and 298.48

Step by Step Solution

1. Step 1: Write the proportion equation
   199.55 : 298.48 = 298.48 : x
2. Step 2: Convert to fraction form
   199.55/298.48 = 298.48/x
3. Step 3: Cross multiply
   199.55x = 298.48 × 298.48
4. Step 4: Simplify right side
   199.55x = 89,088.26
5. Step 5: Solve for x
   x = 89,088.26/199.55
6. Step 6: Final answer
   x = 446.45