Finding the Third Proportional to 4,977.38 and 10,911.56

Step by Step Solution

1. Step 1: Write the proportion equation
   4,977.38 : 10,911.56 = 10,911.56 : x
2. Step 2: Convert to fraction form
   4,977.38/10,911.56 = 10,911.56/x
3. Step 3: Cross multiply
   4,977.38x = 10,911.56 × 10,911.56
4. Step 4: Simplify right side
   4,977.38x = 119,062,196.19
5. Step 5: Solve for x
   x = 119,062,196.19/4,977.38
6. Step 6: Final answer
   x = 23,920.68