Finding the Third Proportional to 9,812.25 and 13,057.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,812.25 : 13,057.88 = 13,057.88 : x
2. Step 2: Convert to fraction form
   9,812.25/13,057.88 = 13,057.88/x
3. Step 3: Cross multiply
   9,812.25x = 13,057.88 × 13,057.88
4. Step 4: Simplify right side
   9,812.25x = 170,508,099.52
5. Step 5: Solve for x
   x = 170,508,099.52/9,812.25
6. Step 6: Final answer
   x = 17,377.06