Finding the Third Proportional to 7,551.98 and 11,323.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,551.98 : 11,323.55 = 11,323.55 : x
2. Step 2: Convert to fraction form
   7,551.98/11,323.55 = 11,323.55/x
3. Step 3: Cross multiply
   7,551.98x = 11,323.55 × 11,323.55
4. Step 4: Simplify right side
   7,551.98x = 128,222,713.83
5. Step 5: Solve for x
   x = 128,222,713.83/7,551.98
6. Step 6: Final answer
   x = 16,978.68