Finding the Third Proportional to 60,512 and 124,890

Step by Step Solution

1. Step 1: Write the proportion equation
   60,512 : 124,890 = 124,890 : x
2. Step 2: Convert to fraction form
   60,512/124,890 = 124,890/x
3. Step 3: Cross multiply
   60,512x = 124,890 × 124,890
4. Step 4: Simplify right side
   60,512x = 15,597,512,100
5. Step 5: Solve for x
   x = 15,597,512,100/60,512
6. Step 6: Final answer
   x = 257,758.99