Finding the Third Proportional to 842.50 and 1,751

Step by Step Solution

1. Step 1: Write the proportion equation
   842.50 : 1,751 = 1,751 : x
2. Step 2: Convert to fraction form
   842.50/1,751 = 1,751/x
3. Step 3: Cross multiply
   842.50x = 1,751 × 1,751
4. Step 4: Simplify right side
   842.50x = 3,066,001
5. Step 5: Solve for x
   x = 3,066,001/842.50
6. Step 6: Final answer
   x = 3,639.17