Finding the Third Proportional to 12,239.25 and 26,422.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,239.25 : 26,422.50 = 26,422.50 : x
2. Step 2: Convert to fraction form
   12,239.25/26,422.50 = 26,422.50/x
3. Step 3: Cross multiply
   12,239.25x = 26,422.50 × 26,422.50
4. Step 4: Simplify right side
   12,239.25x = 698,148,506.25
5. Step 5: Solve for x
   x = 698,148,506.25/12,239.25
6. Step 6: Final answer
   x = 57,041.77