Finding the Third Proportional to 12,215.25 and 26,556.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,215.25 : 26,556.75 = 26,556.75 : x
2. Step 2: Convert to fraction form
   12,215.25/26,556.75 = 26,556.75/x
3. Step 3: Cross multiply
   12,215.25x = 26,556.75 × 26,556.75
4. Step 4: Simplify right side
   12,215.25x = 705,260,970.56
5. Step 5: Solve for x
   x = 705,260,970.56/12,215.25
6. Step 6: Final answer
   x = 57,736.11