Finding the Third Proportional to 12,516.50 and 25,378.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,516.50 : 25,378.25 = 25,378.25 : x
2. Step 2: Convert to fraction form
   12,516.50/25,378.25 = 25,378.25/x
3. Step 3: Cross multiply
   12,516.50x = 25,378.25 × 25,378.25
4. Step 4: Simplify right side
   12,516.50x = 644,055,573.06
5. Step 5: Solve for x
   x = 644,055,573.06/12,516.50
6. Step 6: Final answer
   x = 51,456.52