Finding the Third Proportional to 65,958 and 144,984

Step by Step Solution

1. Step 1: Write the proportion equation
   65,958 : 144,984 = 144,984 : x
2. Step 2: Convert to fraction form
   65,958/144,984 = 144,984/x
3. Step 3: Cross multiply
   65,958x = 144,984 × 144,984
4. Step 4: Simplify right side
   65,958x = 21,020,360,256
5. Step 5: Solve for x
   x = 21,020,360,256/65,958
6. Step 6: Final answer
   x = 318,693.11