Finding the Third Proportional to 10,662.75 and 13,038.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,662.75 : 13,038.75 = 13,038.75 : x
2. Step 2: Convert to fraction form
   10,662.75/13,038.75 = 13,038.75/x
3. Step 3: Cross multiply
   10,662.75x = 13,038.75 × 13,038.75
4. Step 4: Simplify right side
   10,662.75x = 170,009,001.56
5. Step 5: Solve for x
   x = 170,009,001.56/10,662.75
6. Step 6: Final answer
   x = 15,944.20