Finding the Third Proportional to 58,647 and 127,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,647 : 127,879.50 = 127,879.50 : x
2. Step 2: Convert to fraction form
   58,647/127,879.50 = 127,879.50/x
3. Step 3: Cross multiply
   58,647x = 127,879.50 × 127,879.50
4. Step 4: Simplify right side
   58,647x = 16,353,166,520.25
5. Step 5: Solve for x
   x = 16,353,166,520.25/58,647
6. Step 6: Final answer
   x = 278,840.63