Finding the Third Proportional to 1,356 and 3,185

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356 : 3,185 = 3,185 : x
2. Step 2: Convert to fraction form
   1,356/3,185 = 3,185/x
3. Step 3: Cross multiply
   1,356x = 3,185 × 3,185
4. Step 4: Simplify right side
   1,356x = 10,144,225
5. Step 5: Solve for x
   x = 10,144,225/1,356
6. Step 6: Final answer
   x = 7,480.99