Finding the Third Proportional to 30,128 and 46,608

Step by Step Solution

1. Step 1: Write the proportion equation
   30,128 : 46,608 = 46,608 : x
2. Step 2: Convert to fraction form
   30,128/46,608 = 46,608/x
3. Step 3: Cross multiply
   30,128x = 46,608 × 46,608
4. Step 4: Simplify right side
   30,128x = 2,172,305,664
5. Step 5: Solve for x
   x = 2,172,305,664/30,128
6. Step 6: Final answer
   x = 72,102.55