Finding the Third Proportional to 60,404 and 128,116

Step by Step Solution

1. Step 1: Write the proportion equation
   60,404 : 128,116 = 128,116 : x
2. Step 2: Convert to fraction form
   60,404/128,116 = 128,116/x
3. Step 3: Cross multiply
   60,404x = 128,116 × 128,116
4. Step 4: Simplify right side
   60,404x = 16,413,709,456
5. Step 5: Solve for x
   x = 16,413,709,456/60,404
6. Step 6: Final answer
   x = 271,732.16