Finding the Third Proportional to 12,625.50 and 18,860.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,625.50 : 18,860.25 = 18,860.25 : x
2. Step 2: Convert to fraction form
   12,625.50/18,860.25 = 18,860.25/x
3. Step 3: Cross multiply
   12,625.50x = 18,860.25 × 18,860.25
4. Step 4: Simplify right side
   12,625.50x = 355,709,030.06
5. Step 5: Solve for x
   x = 355,709,030.06/12,625.50
6. Step 6: Final answer
   x = 28,173.86