Finding the Third Proportional to 50,128 and 89,107

Step by Step Solution

1. Step 1: Write the proportion equation
   50,128 : 89,107 = 89,107 : x
2. Step 2: Convert to fraction form
   50,128/89,107 = 89,107/x
3. Step 3: Cross multiply
   50,128x = 89,107 × 89,107
4. Step 4: Simplify right side
   50,128x = 7,940,057,449
5. Step 5: Solve for x
   x = 7,940,057,449/50,128
6. Step 6: Final answer
   x = 158,395.66