Finding the Third Proportional to 7,199.51 and 11,269.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,199.51 : 11,269.55 = 11,269.55 : x
2. Step 2: Convert to fraction form
   7,199.51/11,269.55 = 11,269.55/x
3. Step 3: Cross multiply
   7,199.51x = 11,269.55 × 11,269.55
4. Step 4: Simplify right side
   7,199.51x = 127,002,686.77
5. Step 5: Solve for x
   x = 127,002,686.77/7,199.51
6. Step 6: Final answer
   x = 17,640.47