Finding the Third Proportional to 48,448 and 65,105

Step by Step Solution

1. Step 1: Write the proportion equation
   48,448 : 65,105 = 65,105 : x
2. Step 2: Convert to fraction form
   48,448/65,105 = 65,105/x
3. Step 3: Cross multiply
   48,448x = 65,105 × 65,105
4. Step 4: Simplify right side
   48,448x = 4,238,661,025
5. Step 5: Solve for x
   x = 4,238,661,025/48,448
6. Step 6: Final answer
   x = 87,488.88