Finding the Third Proportional to 99.56 and 151.03

Step by Step Solution

1. Step 1: Write the proportion equation
   99.56 : 151.03 = 151.03 : x
2. Step 2: Convert to fraction form
   99.56/151.03 = 151.03/x
3. Step 3: Cross multiply
   99.56x = 151.03 × 151.03
4. Step 4: Simplify right side
   99.56x = 22,810.44
5. Step 5: Solve for x
   x = 22,810.44/99.56
6. Step 6: Final answer
   x = 229.11