Finding the Third Proportional to 59.91 and 126.98

Step by Step Solution

1. Step 1: Write the proportion equation
   59.91 : 126.98 = 126.98 : x
2. Step 2: Convert to fraction form
   59.91/126.98 = 126.98/x
3. Step 3: Cross multiply
   59.91x = 126.98 × 126.98
4. Step 4: Simplify right side
   59.91x = 16,125.03
5. Step 5: Solve for x
   x = 16,125.03/59.91
6. Step 6: Final answer
   x = 269.17