Finding the Third Proportional to 45.98 and 72.98

Step by Step Solution

1. Step 1: Write the proportion equation
   45.98 : 72.98 = 72.98 : x
2. Step 2: Convert to fraction form
   45.98/72.98 = 72.98/x
3. Step 3: Cross multiply
   45.98x = 72.98 × 72.98
4. Step 4: Simplify right side
   45.98x = 5,326.72
5. Step 5: Solve for x
   x = 5,326.72/45.98
6. Step 6: Final answer
   x = 115.84