Finding the Third Proportional to 60,789 and 126,410

Step by Step Solution

1. Step 1: Write the proportion equation
   60,789 : 126,410 = 126,410 : x
2. Step 2: Convert to fraction form
   60,789/126,410 = 126,410/x
3. Step 3: Cross multiply
   60,789x = 126,410 × 126,410
4. Step 4: Simplify right side
   60,789x = 15,979,488,100
5. Step 5: Solve for x
   x = 15,979,488,100/60,789
6. Step 6: Final answer
   x = 262,868.09