Finding the Third Proportional to 12,960.50 and 28,357

Step by Step Solution

1. Step 1: Write the proportion equation
   12,960.50 : 28,357 = 28,357 : x
2. Step 2: Convert to fraction form
   12,960.50/28,357 = 28,357/x
3. Step 3: Cross multiply
   12,960.50x = 28,357 × 28,357
4. Step 4: Simplify right side
   12,960.50x = 804,119,449
5. Step 5: Solve for x
   x = 804,119,449/12,960.50
6. Step 6: Final answer
   x = 62,043.86