Finding the Third Proportional to 64,957 and 141,669

Step by Step Solution

1. Step 1: Write the proportion equation
   64,957 : 141,669 = 141,669 : x
2. Step 2: Convert to fraction form
   64,957/141,669 = 141,669/x
3. Step 3: Cross multiply
   64,957x = 141,669 × 141,669
4. Step 4: Simplify right side
   64,957x = 20,070,105,561
5. Step 5: Solve for x
   x = 20,070,105,561/64,957
6. Step 6: Final answer
   x = 308,975.25