Finding the Third Proportional to 61.50 and 98.88

Step by Step Solution

1. Step 1: Write the proportion equation
   61.50 : 98.88 = 98.88 : x
2. Step 2: Convert to fraction form
   61.50/98.88 = 98.88/x
3. Step 3: Cross multiply
   61.50x = 98.88 × 98.88
4. Step 4: Simplify right side
   61.50x = 9,776.27
5. Step 5: Solve for x
   x = 9,776.27/61.50
6. Step 6: Final answer
   x = 158.96