Finding the Third Proportional to 900.56 and 1,608.47

Step by Step Solution

1. Step 1: Write the proportion equation
   900.56 : 1,608.47 = 1,608.47 : x
2. Step 2: Convert to fraction form
   900.56/1,608.47 = 1,608.47/x
3. Step 3: Cross multiply
   900.56x = 1,608.47 × 1,608.47
4. Step 4: Simplify right side
   900.56x = 2,587,171.72
5. Step 5: Solve for x
   x = 2,587,171.72/900.56
6. Step 6: Final answer
   x = 2,872.84