Finding the Third Proportional to 59.75 and 143.88

Step by Step Solution

1. Step 1: Write the proportion equation
   59.75 : 143.88 = 143.88 : x
2. Step 2: Convert to fraction form
   59.75/143.88 = 143.88/x
3. Step 3: Cross multiply
   59.75x = 143.88 × 143.88
4. Step 4: Simplify right side
   59.75x = 20,700.02
5. Step 5: Solve for x
   x = 20,700.02/59.75
6. Step 6: Final answer
   x = 346.44