Finding the Third Proportional to 100.03 and 160.69

Step by Step Solution

1. Step 1: Write the proportion equation
   100.03 : 160.69 = 160.69 : x
2. Step 2: Convert to fraction form
   100.03/160.69 = 160.69/x
3. Step 3: Cross multiply
   100.03x = 160.69 × 160.69
4. Step 4: Simplify right side
   100.03x = 25,820.47
5. Step 5: Solve for x
   x = 25,820.47/100.03
6. Step 6: Final answer
   x = 258.12