Finding the Third Proportional to 11,929.78 and 25,165.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,929.78 : 25,165.69 = 25,165.69 : x
2. Step 2: Convert to fraction form
   11,929.78/25,165.69 = 25,165.69/x
3. Step 3: Cross multiply
   11,929.78x = 25,165.69 × 25,165.69
4. Step 4: Simplify right side
   11,929.78x = 633,311,827.35
5. Step 5: Solve for x
   x = 633,311,827.35/11,929.78
6. Step 6: Final answer
   x = 53,086.63