Finding the Third Proportional to 59,388.75 and 128,060.25

Step by Step Solution

1. Step 1: Write the proportion equation
   59,388.75 : 128,060.25 = 128,060.25 : x
2. Step 2: Convert to fraction form
   59,388.75/128,060.25 = 128,060.25/x
3. Step 3: Cross multiply
   59,388.75x = 128,060.25 × 128,060.25
4. Step 4: Simplify right side
   59,388.75x = 16,399,427,630.06
5. Step 5: Solve for x
   x = 16,399,427,630.06/59,388.75
6. Step 6: Final answer
   x = 276,136.94