Finding the Third Proportional to 5,132.25 and 10,991.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,132.25 : 10,991.25 = 10,991.25 : x
2. Step 2: Convert to fraction form
   5,132.25/10,991.25 = 10,991.25/x
3. Step 3: Cross multiply
   5,132.25x = 10,991.25 × 10,991.25
4. Step 4: Simplify right side
   5,132.25x = 120,807,576.56
5. Step 5: Solve for x
   x = 120,807,576.56/5,132.25
6. Step 6: Final answer
   x = 23,538.91