Finding the Third Proportional to 63,618 and 127,228.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,618 : 127,228.50 = 127,228.50 : x
2. Step 2: Convert to fraction form
   63,618/127,228.50 = 127,228.50/x
3. Step 3: Cross multiply
   63,618x = 127,228.50 × 127,228.50
4. Step 4: Simplify right side
   63,618x = 16,187,091,212.25
5. Step 5: Solve for x
   x = 16,187,091,212.25/63,618
6. Step 6: Final answer
   x = 254,442.00