Finding the Third Proportional to 51,240 and 113,616

Step by Step Solution

1. Step 1: Write the proportion equation
   51,240 : 113,616 = 113,616 : x
2. Step 2: Convert to fraction form
   51,240/113,616 = 113,616/x
3. Step 3: Cross multiply
   51,240x = 113,616 × 113,616
4. Step 4: Simplify right side
   51,240x = 12,908,595,456
5. Step 5: Solve for x
   x = 12,908,595,456/51,240
6. Step 6: Final answer
   x = 251,924.19