Finding the Third Proportional to 60,831 and 130,261.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,831 : 130,261.50 = 130,261.50 : x
2. Step 2: Convert to fraction form
   60,831/130,261.50 = 130,261.50/x
3. Step 3: Cross multiply
   60,831x = 130,261.50 × 130,261.50
4. Step 4: Simplify right side
   60,831x = 16,968,058,382.25
5. Step 5: Solve for x
   x = 16,968,058,382.25/60,831
6. Step 6: Final answer
   x = 278,937.69