Finding the Third Proportional to 30,180 and 64,984

Step by Step Solution

1. Step 1: Write the proportion equation
   30,180 : 64,984 = 64,984 : x
2. Step 2: Convert to fraction form
   30,180/64,984 = 64,984/x
3. Step 3: Cross multiply
   30,180x = 64,984 × 64,984
4. Step 4: Simplify right side
   30,180x = 4,222,920,256
5. Step 5: Solve for x
   x = 4,222,920,256/30,180
6. Step 6: Final answer
   x = 139,924.46