Finding the Third Proportional to 30,602 and 67,028

Step by Step Solution

1. Step 1: Write the proportion equation
   30,602 : 67,028 = 67,028 : x
2. Step 2: Convert to fraction form
   30,602/67,028 = 67,028/x
3. Step 3: Cross multiply
   30,602x = 67,028 × 67,028
4. Step 4: Simplify right side
   30,602x = 4,492,752,784
5. Step 5: Solve for x
   x = 4,492,752,784/30,602
6. Step 6: Final answer
   x = 146,812.39