Finding the Third Proportional to 11,856.75 and 25,394.63

Step by Step Solution

1. Step 1: Write the proportion equation
   11,856.75 : 25,394.63 = 25,394.63 : x
2. Step 2: Convert to fraction form
   11,856.75/25,394.63 = 25,394.63/x
3. Step 3: Cross multiply
   11,856.75x = 25,394.63 × 25,394.63
4. Step 4: Simplify right side
   11,856.75x = 644,886,978.89
5. Step 5: Solve for x
   x = 644,886,978.89/11,856.75
6. Step 6: Final answer
   x = 54,389.86