Finding the Third Proportional to 60,076.50 and 127,920

Step by Step Solution

1. Step 1: Write the proportion equation
   60,076.50 : 127,920 = 127,920 : x
2. Step 2: Convert to fraction form
   60,076.50/127,920 = 127,920/x
3. Step 3: Cross multiply
   60,076.50x = 127,920 × 127,920
4. Step 4: Simplify right side
   60,076.50x = 16,363,526,400
5. Step 5: Solve for x
   x = 16,363,526,400/60,076.50
6. Step 6: Final answer
   x = 272,378.16