Finding the Third Proportional to 42,728 and 92,030

Step by Step Solution

1. Step 1: Write the proportion equation
   42,728 : 92,030 = 92,030 : x
2. Step 2: Convert to fraction form
   42,728/92,030 = 92,030/x
3. Step 3: Cross multiply
   42,728x = 92,030 × 92,030
4. Step 4: Simplify right side
   42,728x = 8,469,520,900
5. Step 5: Solve for x
   x = 8,469,520,900/42,728
6. Step 6: Final answer
   x = 198,219.46