Finding the Third Proportional to 1,446.19 and 3,222.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,446.19 : 3,222.56 = 3,222.56 : x
2. Step 2: Convert to fraction form
   1,446.19/3,222.56 = 3,222.56/x
3. Step 3: Cross multiply
   1,446.19x = 3,222.56 × 3,222.56
4. Step 4: Simplify right side
   1,446.19x = 10,384,909.07
5. Step 5: Solve for x
   x = 10,384,909.07/1,446.19
6. Step 6: Final answer
   x = 7,180.89