Finding the Third Proportional to 115,496 and 240,064

Step by Step Solution

1. Step 1: Write the proportion equation
   115,496 : 240,064 = 240,064 : x
2. Step 2: Convert to fraction form
   115,496/240,064 = 240,064/x
3. Step 3: Cross multiply
   115,496x = 240,064 × 240,064
4. Step 4: Simplify right side
   115,496x = 57,630,724,096
5. Step 5: Solve for x
   x = 57,630,724,096/115,496
6. Step 6: Final answer
   x = 498,984.59