Finding the Third Proportional to 64,777 and 140,950

Step by Step Solution

1. Step 1: Write the proportion equation
   64,777 : 140,950 = 140,950 : x
2. Step 2: Convert to fraction form
   64,777/140,950 = 140,950/x
3. Step 3: Cross multiply
   64,777x = 140,950 × 140,950
4. Step 4: Simplify right side
   64,777x = 19,866,902,500
5. Step 5: Solve for x
   x = 19,866,902,500/64,777
6. Step 6: Final answer
   x = 306,696.86