Finding the Third Proportional to 101,608 and 215,504

Step by Step Solution

1. Step 1: Write the proportion equation
   101,608 : 215,504 = 215,504 : x
2. Step 2: Convert to fraction form
   101,608/215,504 = 215,504/x
3. Step 3: Cross multiply
   101,608x = 215,504 × 215,504
4. Step 4: Simplify right side
   101,608x = 46,441,974,016
5. Step 5: Solve for x
   x = 46,441,974,016/101,608
6. Step 6: Final answer
   x = 457,070.05