Finding the Third Proportional to 59,118 and 128,604

Step by Step Solution

1. Step 1: Write the proportion equation
   59,118 : 128,604 = 128,604 : x
2. Step 2: Convert to fraction form
   59,118/128,604 = 128,604/x
3. Step 3: Cross multiply
   59,118x = 128,604 × 128,604
4. Step 4: Simplify right side
   59,118x = 16,538,988,816
5. Step 5: Solve for x
   x = 16,538,988,816/59,118
6. Step 6: Final answer
   x = 279,762.32