Finding the Third Proportional to 13,057.50 and 28,707

Step by Step Solution

1. Step 1: Write the proportion equation
   13,057.50 : 28,707 = 28,707 : x
2. Step 2: Convert to fraction form
   13,057.50/28,707 = 28,707/x
3. Step 3: Cross multiply
   13,057.50x = 28,707 × 28,707
4. Step 4: Simplify right side
   13,057.50x = 824,091,849
5. Step 5: Solve for x
   x = 824,091,849/13,057.50
6. Step 6: Final answer
   x = 63,112.53