Finding the Third Proportional to 12,440.25 and 26,284.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,440.25 : 26,284.50 = 26,284.50 : x
2. Step 2: Convert to fraction form
   12,440.25/26,284.50 = 26,284.50/x
3. Step 3: Cross multiply
   12,440.25x = 26,284.50 × 26,284.50
4. Step 4: Simplify right side
   12,440.25x = 690,874,940.25
5. Step 5: Solve for x
   x = 690,874,940.25/12,440.25
6. Step 6: Final answer
   x = 55,535.45