Finding the Third Proportional to 7,297.25 and 11,128.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,297.25 : 11,128.25 = 11,128.25 : x
2. Step 2: Convert to fraction form
   7,297.25/11,128.25 = 11,128.25/x
3. Step 3: Cross multiply
   7,297.25x = 11,128.25 × 11,128.25
4. Step 4: Simplify right side
   7,297.25x = 123,837,948.06
5. Step 5: Solve for x
   x = 123,837,948.06/7,297.25
6. Step 6: Final answer
   x = 16,970.50