Finding the Third Proportional to 890.56 and 1,902.56

Step by Step Solution

1. Step 1: Write the proportion equation
   890.56 : 1,902.56 = 1,902.56 : x
2. Step 2: Convert to fraction form
   890.56/1,902.56 = 1,902.56/x
3. Step 3: Cross multiply
   890.56x = 1,902.56 × 1,902.56
4. Step 4: Simplify right side
   890.56x = 3,619,744.07
5. Step 5: Solve for x
   x = 3,619,744.07/890.56
6. Step 6: Final answer
   x = 4,064.56