Finding the Third Proportional to 20,528 and 30,424

Step by Step Solution

1. Step 1: Write the proportion equation
   20,528 : 30,424 = 30,424 : x
2. Step 2: Convert to fraction form
   20,528/30,424 = 30,424/x
3. Step 3: Cross multiply
   20,528x = 30,424 × 30,424
4. Step 4: Simplify right side
   20,528x = 925,619,776
5. Step 5: Solve for x
   x = 925,619,776/20,528
6. Step 6: Final answer
   x = 45,090.60