Finding the Third Proportional to 59,616 and 130,440

Step by Step Solution

1. Step 1: Write the proportion equation
   59,616 : 130,440 = 130,440 : x
2. Step 2: Convert to fraction form
   59,616/130,440 = 130,440/x
3. Step 3: Cross multiply
   59,616x = 130,440 × 130,440
4. Step 4: Simplify right side
   59,616x = 17,014,593,600
5. Step 5: Solve for x
   x = 17,014,593,600/59,616
6. Step 6: Final answer
   x = 285,403.14