Finding the Third Proportional to 141.88 and 300.63

Step by Step Solution

1. Step 1: Write the proportion equation
   141.88 : 300.63 = 300.63 : x
2. Step 2: Convert to fraction form
   141.88/300.63 = 300.63/x
3. Step 3: Cross multiply
   141.88x = 300.63 × 300.63
4. Step 4: Simplify right side
   141.88x = 90,375.39
5. Step 5: Solve for x
   x = 90,375.39/141.88
6. Step 6: Final answer
   x = 637.01