Finding the Third Proportional to 367.88 and 808.31

Step by Step Solution

1. Step 1: Write the proportion equation
   367.88 : 808.31 = 808.31 : x
2. Step 2: Convert to fraction form
   367.88/808.31 = 808.31/x
3. Step 3: Cross multiply
   367.88x = 808.31 × 808.31
4. Step 4: Simplify right side
   367.88x = 653,369.10
5. Step 5: Solve for x
   x = 653,369.10/367.88
6. Step 6: Final answer
   x = 1,776.06