Finding the Third Proportional to 5,456.25 and 11,803.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.25 : 11,803.50 = 11,803.50 : x
2. Step 2: Convert to fraction form
   5,456.25/11,803.50 = 11,803.50/x
3. Step 3: Cross multiply
   5,456.25x = 11,803.50 × 11,803.50
4. Step 4: Simplify right side
   5,456.25x = 139,322,612.25
5. Step 5: Solve for x
   x = 139,322,612.25/5,456.25
6. Step 6: Final answer
   x = 25,534.50