Finding the Third Proportional to 30,228 and 42,493

Step by Step Solution

1. Step 1: Write the proportion equation
   30,228 : 42,493 = 42,493 : x
2. Step 2: Convert to fraction form
   30,228/42,493 = 42,493/x
3. Step 3: Cross multiply
   30,228x = 42,493 × 42,493
4. Step 4: Simplify right side
   30,228x = 1,805,655,049
5. Step 5: Solve for x
   x = 1,805,655,049/30,228
6. Step 6: Final answer
   x = 59,734.52