Finding the Third Proportional to 11,916.38 and 25,416.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,916.38 : 25,416.38 = 25,416.38 : x
2. Step 2: Convert to fraction form
   11,916.38/25,416.38 = 25,416.38/x
3. Step 3: Cross multiply
   11,916.38x = 25,416.38 × 25,416.38
4. Step 4: Simplify right side
   11,916.38x = 645,992,118.14
5. Step 5: Solve for x
   x = 645,992,118.14/11,916.38
6. Step 6: Final answer
   x = 54,210.46