Finding the Third Proportional to 188,339 and 279,250

Step by Step Solution

1. Step 1: Write the proportion equation
   188,339 : 279,250 = 279,250 : x
2. Step 2: Convert to fraction form
   188,339/279,250 = 279,250/x
3. Step 3: Cross multiply
   188,339x = 279,250 × 279,250
4. Step 4: Simplify right side
   188,339x = 77,980,562,500
5. Step 5: Solve for x
   x = 77,980,562,500/188,339
6. Step 6: Final answer
   x = 414,043.63