Finding the Third Proportional to 63,984 and 140,064

Step by Step Solution

1. Step 1: Write the proportion equation
   63,984 : 140,064 = 140,064 : x
2. Step 2: Convert to fraction form
   63,984/140,064 = 140,064/x
3. Step 3: Cross multiply
   63,984x = 140,064 × 140,064
4. Step 4: Simplify right side
   63,984x = 19,617,924,096
5. Step 5: Solve for x
   x = 19,617,924,096/63,984
6. Step 6: Final answer
   x = 306,606.72