Finding the Third Proportional to 127,396.50 and 251,580

Step by Step Solution

1. Step 1: Write the proportion equation
   127,396.50 : 251,580 = 251,580 : x
2. Step 2: Convert to fraction form
   127,396.50/251,580 = 251,580/x
3. Step 3: Cross multiply
   127,396.50x = 251,580 × 251,580
4. Step 4: Simplify right side
   127,396.50x = 63,292,496,400
5. Step 5: Solve for x
   x = 63,292,496,400/127,396.50
6. Step 6: Final answer
   x = 496,815.03