Finding the Third Proportional to 59,003 and 128,373

Step by Step Solution

1. Step 1: Write the proportion equation
   59,003 : 128,373 = 128,373 : x
2. Step 2: Convert to fraction form
   59,003/128,373 = 128,373/x
3. Step 3: Cross multiply
   59,003x = 128,373 × 128,373
4. Step 4: Simplify right side
   59,003x = 16,479,627,129
5. Step 5: Solve for x
   x = 16,479,627,129/59,003
6. Step 6: Final answer
   x = 279,301.51