Finding the Third Proportional to 2,715.19 and 5,472.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.19 : 5,472.56 = 5,472.56 : x
2. Step 2: Convert to fraction form
   2,715.19/5,472.56 = 5,472.56/x
3. Step 3: Cross multiply
   2,715.19x = 5,472.56 × 5,472.56
4. Step 4: Simplify right side
   2,715.19x = 29,948,940.32
5. Step 5: Solve for x
   x = 29,948,940.32/2,715.19
6. Step 6: Final answer
   x = 11,030.16