Finding the Third Proportional to 207.56 and 443.39

Step by Step Solution

1. Step 1: Write the proportion equation
   207.56 : 443.39 = 443.39 : x
2. Step 2: Convert to fraction form
   207.56/443.39 = 443.39/x
3. Step 3: Cross multiply
   207.56x = 443.39 × 443.39
4. Step 4: Simplify right side
   207.56x = 196,595.25
5. Step 5: Solve for x
   x = 196,595.25/207.56
6. Step 6: Final answer
   x = 947.16