Finding the Third Proportional to 109,462 and 236,388

Step by Step Solution

1. Step 1: Write the proportion equation
   109,462 : 236,388 = 236,388 : x
2. Step 2: Convert to fraction form
   109,462/236,388 = 236,388/x
3. Step 3: Cross multiply
   109,462x = 236,388 × 236,388
4. Step 4: Simplify right side
   109,462x = 55,879,286,544
5. Step 5: Solve for x
   x = 55,879,286,544/109,462
6. Step 6: Final answer
   x = 510,490.28