Finding the Third Proportional to 60,726 and 128,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   60,726 : 128,053.50 = 128,053.50 : x
2. Step 2: Convert to fraction form
   60,726/128,053.50 = 128,053.50/x
3. Step 3: Cross multiply
   60,726x = 128,053.50 × 128,053.50
4. Step 4: Simplify right side
   60,726x = 16,397,698,862.25
5. Step 5: Solve for x
   x = 16,397,698,862.25/60,726
6. Step 6: Final answer
   x = 270,027.65