Finding the Third Proportional to 222.12 and 526.82

Step by Step Solution

1. Step 1: Write the proportion equation
   222.12 : 526.82 = 526.82 : x
2. Step 2: Convert to fraction form
   222.12/526.82 = 526.82/x
3. Step 3: Cross multiply
   222.12x = 526.82 × 526.82
4. Step 4: Simplify right side
   222.12x = 277,535.53
5. Step 5: Solve for x
   x = 277,535.53/222.12
6. Step 6: Final answer
   x = 1,249.50