Finding the Third Proportional to 971.50 and 2,290

Step by Step Solution

1. Step 1: Write the proportion equation
   971.50 : 2,290 = 2,290 : x
2. Step 2: Convert to fraction form
   971.50/2,290 = 2,290/x
3. Step 3: Cross multiply
   971.50x = 2,290 × 2,290
4. Step 4: Simplify right side
   971.50x = 5,244,100
5. Step 5: Solve for x
   x = 5,244,100/971.50
6. Step 6: Final answer
   x = 5,397.94