Finding the Third Proportional to 10,505.25 and 15,459.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.25 : 15,459.75 = 15,459.75 : x
2. Step 2: Convert to fraction form
   10,505.25/15,459.75 = 15,459.75/x
3. Step 3: Cross multiply
   10,505.25x = 15,459.75 × 15,459.75
4. Step 4: Simplify right side
   10,505.25x = 239,003,870.06
5. Step 5: Solve for x
   x = 239,003,870.06/10,505.25
6. Step 6: Final answer
   x = 22,750.90