Finding the Third Proportional to 13,137.75 and 27,488.25

Step by Step Solution

1. Step 1: Write the proportion equation
   13,137.75 : 27,488.25 = 27,488.25 : x
2. Step 2: Convert to fraction form
   13,137.75/27,488.25 = 27,488.25/x
3. Step 3: Cross multiply
   13,137.75x = 27,488.25 × 27,488.25
4. Step 4: Simplify right side
   13,137.75x = 755,603,888.06
5. Step 5: Solve for x
   x = 755,603,888.06/13,137.75
6. Step 6: Final answer
   x = 57,513.95