Finding the Third Proportional to 155,904 and 242,976

Step by Step Solution

1. Step 1: Write the proportion equation
   155,904 : 242,976 = 242,976 : x
2. Step 2: Convert to fraction form
   155,904/242,976 = 242,976/x
3. Step 3: Cross multiply
   155,904x = 242,976 × 242,976
4. Step 4: Simplify right side
   155,904x = 59,037,336,576
5. Step 5: Solve for x
   x = 59,037,336,576/155,904
6. Step 6: Final answer
   x = 378,677.50