Finding the Third Proportional to 30,483 and 64,287

Step by Step Solution

1. Step 1: Write the proportion equation
   30,483 : 64,287 = 64,287 : x
2. Step 2: Convert to fraction form
   30,483/64,287 = 64,287/x
3. Step 3: Cross multiply
   30,483x = 64,287 × 64,287
4. Step 4: Simplify right side
   30,483x = 4,132,818,369
5. Step 5: Solve for x
   x = 4,132,818,369/30,483
6. Step 6: Final answer
   x = 135,577.81