Finding the Third Proportional to 2,500.50 and 5,415

Step by Step Solution

1. Step 1: Write the proportion equation
   2,500.50 : 5,415 = 5,415 : x
2. Step 2: Convert to fraction form
   2,500.50/5,415 = 5,415/x
3. Step 3: Cross multiply
   2,500.50x = 5,415 × 5,415
4. Step 4: Simplify right side
   2,500.50x = 29,322,225
5. Step 5: Solve for x
   x = 29,322,225/2,500.50
6. Step 6: Final answer
   x = 11,726.54