Finding the Third Proportional to 155,360 and 246,384

Step by Step Solution

1. Step 1: Write the proportion equation
   155,360 : 246,384 = 246,384 : x
2. Step 2: Convert to fraction form
   155,360/246,384 = 246,384/x
3. Step 3: Cross multiply
   155,360x = 246,384 × 246,384
4. Step 4: Simplify right side
   155,360x = 60,705,075,456
5. Step 5: Solve for x
   x = 60,705,075,456/155,360
6. Step 6: Final answer
   x = 390,738.13