Finding the Third Proportional to 12,907.50 and 19,850.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,907.50 : 19,850.25 = 19,850.25 : x
2. Step 2: Convert to fraction form
   12,907.50/19,850.25 = 19,850.25/x
3. Step 3: Cross multiply
   12,907.50x = 19,850.25 × 19,850.25
4. Step 4: Simplify right side
   12,907.50x = 394,032,425.06
5. Step 5: Solve for x
   x = 394,032,425.06/12,907.50
6. Step 6: Final answer
   x = 30,527.40