Finding the Third Proportional to 10,212.75 and 15,700.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,212.75 : 15,700.50 = 15,700.50 : x
2. Step 2: Convert to fraction form
   10,212.75/15,700.50 = 15,700.50/x
3. Step 3: Cross multiply
   10,212.75x = 15,700.50 × 15,700.50
4. Step 4: Simplify right side
   10,212.75x = 246,505,700.25
5. Step 5: Solve for x
   x = 246,505,700.25/10,212.75
6. Step 6: Final answer
   x = 24,137.05