Finding the Third Proportional to 672 and 1,008.38

Step by Step Solution

1. Step 1: Write the proportion equation
   672 : 1,008.38 = 1,008.38 : x
2. Step 2: Convert to fraction form
   672/1,008.38 = 1,008.38/x
3. Step 3: Cross multiply
   672x = 1,008.38 × 1,008.38
4. Step 4: Simplify right side
   672x = 1,016,820.14
5. Step 5: Solve for x
   x = 1,016,820.14/672
6. Step 6: Final answer
   x = 1,513.13