Finding the Third Proportional to 30,528 and 64,336

Step by Step Solution

1. Step 1: Write the proportion equation
   30,528 : 64,336 = 64,336 : x
2. Step 2: Convert to fraction form
   30,528/64,336 = 64,336/x
3. Step 3: Cross multiply
   30,528x = 64,336 × 64,336
4. Step 4: Simplify right side
   30,528x = 4,139,120,896
5. Step 5: Solve for x
   x = 4,139,120,896/30,528
6. Step 6: Final answer
   x = 135,584.41