Finding the Third Proportional to 59,332 and 128,936

Step by Step Solution

1. Step 1: Write the proportion equation
   59,332 : 128,936 = 128,936 : x
2. Step 2: Convert to fraction form
   59,332/128,936 = 128,936/x
3. Step 3: Cross multiply
   59,332x = 128,936 × 128,936
4. Step 4: Simplify right side
   59,332x = 16,624,492,096
5. Step 5: Solve for x
   x = 16,624,492,096/59,332
6. Step 6: Final answer
   x = 280,194.37