Finding the Third Proportional to 63,958 and 140,606

Step by Step Solution

1. Step 1: Write the proportion equation
   63,958 : 140,606 = 140,606 : x
2. Step 2: Convert to fraction form
   63,958/140,606 = 140,606/x
3. Step 3: Cross multiply
   63,958x = 140,606 × 140,606
4. Step 4: Simplify right side
   63,958x = 19,770,047,236
5. Step 5: Solve for x
   x = 19,770,047,236/63,958
6. Step 6: Final answer
   x = 309,109.84