Finding the Third Proportional to 7,382.39 and 11,111.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,382.39 : 11,111.55 = 11,111.55 : x
2. Step 2: Convert to fraction form
   7,382.39/11,111.55 = 11,111.55/x
3. Step 3: Cross multiply
   7,382.39x = 11,111.55 × 11,111.55
4. Step 4: Simplify right side
   7,382.39x = 123,466,647.57
5. Step 5: Solve for x
   x = 123,466,647.57/7,382.39
6. Step 6: Final answer
   x = 16,724.48