Finding the Third Proportional to 5,524.88 and 7,890.75

Step by Step Solution

1. Step 1: Write the proportion equation
   5,524.88 : 7,890.75 = 7,890.75 : x
2. Step 2: Convert to fraction form
   5,524.88/7,890.75 = 7,890.75/x
3. Step 3: Cross multiply
   5,524.88x = 7,890.75 × 7,890.75
4. Step 4: Simplify right side
   5,524.88x = 62,263,935.56
5. Step 5: Solve for x
   x = 62,263,935.56/5,524.88
6. Step 6: Final answer
   x = 11,269.75