Finding the Third Proportional to 10,820.25 and 13,826.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,820.25 : 13,826.25 = 13,826.25 : x
2. Step 2: Convert to fraction form
   10,820.25/13,826.25 = 13,826.25/x
3. Step 3: Cross multiply
   10,820.25x = 13,826.25 × 13,826.25
4. Step 4: Simplify right side
   10,820.25x = 191,165,189.06
5. Step 5: Solve for x
   x = 191,165,189.06/10,820.25
6. Step 6: Final answer
   x = 17,667.35