Finding the Third Proportional to 2,172.38 and 5,250.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172.38 : 5,250.94 = 5,250.94 : x
2. Step 2: Convert to fraction form
   2,172.38/5,250.94 = 5,250.94/x
3. Step 3: Cross multiply
   2,172.38x = 5,250.94 × 5,250.94
4. Step 4: Simplify right side
   2,172.38x = 27,572,344.63
5. Step 5: Solve for x
   x = 27,572,344.63/2,172.38
6. Step 6: Final answer
   x = 12,692.26