Finding the Third Proportional to 115,470 and 240,012

Step by Step Solution

1. Step 1: Write the proportion equation
   115,470 : 240,012 = 240,012 : x
2. Step 2: Convert to fraction form
   115,470/240,012 = 240,012/x
3. Step 3: Cross multiply
   115,470x = 240,012 × 240,012
4. Step 4: Simplify right side
   115,470x = 57,605,760,144
5. Step 5: Solve for x
   x = 57,605,760,144/115,470
6. Step 6: Final answer
   x = 498,880.75