Finding the Third Proportional to 3,925.50 and 5,580.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,925.50 : 5,580.75 = 5,580.75 : x
2. Step 2: Convert to fraction form
   3,925.50/5,580.75 = 5,580.75/x
3. Step 3: Cross multiply
   3,925.50x = 5,580.75 × 5,580.75
4. Step 4: Simplify right side
   3,925.50x = 31,144,770.56
5. Step 5: Solve for x
   x = 31,144,770.56/3,925.50
6. Step 6: Final answer
   x = 7,933.96