Finding the Third Proportional to 12,424 and 25,700

Step by Step Solution

1. Step 1: Write the proportion equation
   12,424 : 25,700 = 25,700 : x
2. Step 2: Convert to fraction form
   12,424/25,700 = 25,700/x
3. Step 3: Cross multiply
   12,424x = 25,700 × 25,700
4. Step 4: Simplify right side
   12,424x = 660,490,000
5. Step 5: Solve for x
   x = 660,490,000/12,424
6. Step 6: Final answer
   x = 53,162.43