Finding the Third Proportional to 3,937.50 and 5,391.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,937.50 : 5,391.56 = 5,391.56 : x
2. Step 2: Convert to fraction form
   3,937.50/5,391.56 = 5,391.56/x
3. Step 3: Cross multiply
   3,937.50x = 5,391.56 × 5,391.56
4. Step 4: Simplify right side
   3,937.50x = 29,068,946.19
5. Step 5: Solve for x
   x = 29,068,946.19/3,937.50
6. Step 6: Final answer
   x = 7,382.59