Finding the Third Proportional to 12,440.25 and 27,209.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,440.25 : 27,209.25 = 27,209.25 : x
2. Step 2: Convert to fraction form
   12,440.25/27,209.25 = 27,209.25/x
3. Step 3: Cross multiply
   12,440.25x = 27,209.25 × 27,209.25
4. Step 4: Simplify right side
   12,440.25x = 740,343,285.56
5. Step 5: Solve for x
   x = 740,343,285.56/12,440.25
6. Step 6: Final answer
   x = 59,511.93