Finding the Third Proportional to 62.91 and 143.06

Step by Step Solution

1. Step 1: Write the proportion equation
   62.91 : 143.06 = 143.06 : x
2. Step 2: Convert to fraction form
   62.91/143.06 = 143.06/x
3. Step 3: Cross multiply
   62.91x = 143.06 × 143.06
4. Step 4: Simplify right side
   62.91x = 20,466.88
5. Step 5: Solve for x
   x = 20,466.88/62.91
6. Step 6: Final answer
   x = 325.36