Finding the Third Proportional to 64,757 and 140,908

Step by Step Solution

1. Step 1: Write the proportion equation
   64,757 : 140,908 = 140,908 : x
2. Step 2: Convert to fraction form
   64,757/140,908 = 140,908/x
3. Step 3: Cross multiply
   64,757x = 140,908 × 140,908
4. Step 4: Simplify right side
   64,757x = 19,855,064,464
5. Step 5: Solve for x
   x = 19,855,064,464/64,757
6. Step 6: Final answer
   x = 306,608.78