Finding the Third Proportional to 1,474.45 and 2,160.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,474.45 : 2,160.42 = 2,160.42 : x
2. Step 2: Convert to fraction form
   1,474.45/2,160.42 = 2,160.42/x
3. Step 3: Cross multiply
   1,474.45x = 2,160.42 × 2,160.42
4. Step 4: Simplify right side
   1,474.45x = 4,667,422.68
5. Step 5: Solve for x
   x = 4,667,422.68/1,474.45
6. Step 6: Final answer
   x = 3,165.53