Finding the Third Proportional to 64,956 and 140,274

Step by Step Solution

1. Step 1: Write the proportion equation
   64,956 : 140,274 = 140,274 : x
2. Step 2: Convert to fraction form
   64,956/140,274 = 140,274/x
3. Step 3: Cross multiply
   64,956x = 140,274 × 140,274
4. Step 4: Simplify right side
   64,956x = 19,676,795,076
5. Step 5: Solve for x
   x = 19,676,795,076/64,956
6. Step 6: Final answer
   x = 302,924.98