Finding the Third Proportional to 100.34 and 155.32

Step by Step Solution

1. Step 1: Write the proportion equation
   100.34 : 155.32 = 155.32 : x
2. Step 2: Convert to fraction form
   100.34/155.32 = 155.32/x
3. Step 3: Cross multiply
   100.34x = 155.32 × 155.32
4. Step 4: Simplify right side
   100.34x = 24,124.40
5. Step 5: Solve for x
   x = 24,124.40/100.34
6. Step 6: Final answer
   x = 240.44