Finding the Third Proportional to 10,828.50 and 17,228.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,828.50 : 17,228.25 = 17,228.25 : x
2. Step 2: Convert to fraction form
   10,828.50/17,228.25 = 17,228.25/x
3. Step 3: Cross multiply
   10,828.50x = 17,228.25 × 17,228.25
4. Step 4: Simplify right side
   10,828.50x = 296,812,598.06
5. Step 5: Solve for x
   x = 296,812,598.06/10,828.50
6. Step 6: Final answer
   x = 27,410.32