Finding the Third Proportional to 69,608 and 151,960

Step by Step Solution

1. Step 1: Write the proportion equation
   69,608 : 151,960 = 151,960 : x
2. Step 2: Convert to fraction form
   69,608/151,960 = 151,960/x
3. Step 3: Cross multiply
   69,608x = 151,960 × 151,960
4. Step 4: Simplify right side
   69,608x = 23,091,841,600
5. Step 5: Solve for x
   x = 23,091,841,600/69,608
6. Step 6: Final answer
   x = 331,741.20