Finding the Third Proportional to 1,485.70 and 2,352.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.70 : 2,352.16 = 2,352.16 : x
2. Step 2: Convert to fraction form
   1,485.70/2,352.16 = 2,352.16/x
3. Step 3: Cross multiply
   1,485.70x = 2,352.16 × 2,352.16
4. Step 4: Simplify right side
   1,485.70x = 5,532,675.78
5. Step 5: Solve for x
   x = 5,532,675.78/1,485.70
6. Step 6: Final answer
   x = 3,723.94