Finding the Third Proportional to 155,434.50 and 240,018

Step by Step Solution

1. Step 1: Write the proportion equation
   155,434.50 : 240,018 = 240,018 : x
2. Step 2: Convert to fraction form
   155,434.50/240,018 = 240,018/x
3. Step 3: Cross multiply
   155,434.50x = 240,018 × 240,018
4. Step 4: Simplify right side
   155,434.50x = 57,608,640,324
5. Step 5: Solve for x
   x = 57,608,640,324/155,434.50
6. Step 6: Final answer
   x = 370,629.69