Finding the Third Proportional to 4,828.57 and 7,472.67

Step by Step Solution

1. Step 1: Write the proportion equation
   4,828.57 : 7,472.67 = 7,472.67 : x
2. Step 2: Convert to fraction form
   4,828.57/7,472.67 = 7,472.67/x
3. Step 3: Cross multiply
   4,828.57x = 7,472.67 × 7,472.67
4. Step 4: Simplify right side
   4,828.57x = 55,840,824.95
5. Step 5: Solve for x
   x = 55,840,824.95/4,828.57
6. Step 6: Final answer
   x = 11,564.67