Finding the Third Proportional to 1,654.50 and 3,581

Step by Step Solution

1. Step 1: Write the proportion equation
   1,654.50 : 3,581 = 3,581 : x
2. Step 2: Convert to fraction form
   1,654.50/3,581 = 3,581/x
3. Step 3: Cross multiply
   1,654.50x = 3,581 × 3,581
4. Step 4: Simplify right side
   1,654.50x = 12,823,561
5. Step 5: Solve for x
   x = 12,823,561/1,654.50
6. Step 6: Final answer
   x = 7,750.72