Finding the Third Proportional to 1,485.35 and 3,153.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.35 : 3,153.09 = 3,153.09 : x
2. Step 2: Convert to fraction form
   1,485.35/3,153.09 = 3,153.09/x
3. Step 3: Cross multiply
   1,485.35x = 3,153.09 × 3,153.09
4. Step 4: Simplify right side
   1,485.35x = 9,942,000.20
5. Step 5: Solve for x
   x = 9,942,000.20/1,485.35
6. Step 6: Final answer
   x = 6,693.37