Finding the Third Proportional to 63,619.50 and 127,230

Step by Step Solution

1. Step 1: Write the proportion equation
   63,619.50 : 127,230 = 127,230 : x
2. Step 2: Convert to fraction form
   63,619.50/127,230 = 127,230/x
3. Step 3: Cross multiply
   63,619.50x = 127,230 × 127,230
4. Step 4: Simplify right side
   63,619.50x = 16,187,472,900
5. Step 5: Solve for x
   x = 16,187,472,900/63,619.50
6. Step 6: Final answer
   x = 254,442.00