Finding the Third Proportional to 155,002 and 219,388

Step by Step Solution

1. Step 1: Write the proportion equation
   155,002 : 219,388 = 219,388 : x
2. Step 2: Convert to fraction form
   155,002/219,388 = 219,388/x
3. Step 3: Cross multiply
   155,002x = 219,388 × 219,388
4. Step 4: Simplify right side
   155,002x = 48,131,094,544
5. Step 5: Solve for x
   x = 48,131,094,544/155,002
6. Step 6: Final answer
   x = 310,519.18