Finding the Third Proportional to 30,548 and 67,222

Step by Step Solution

1. Step 1: Write the proportion equation
   30,548 : 67,222 = 67,222 : x
2. Step 2: Convert to fraction form
   30,548/67,222 = 67,222/x
3. Step 3: Cross multiply
   30,548x = 67,222 × 67,222
4. Step 4: Simplify right side
   30,548x = 4,518,797,284
5. Step 5: Solve for x
   x = 4,518,797,284/30,548
6. Step 6: Final answer
   x = 147,924.49