Finding the Third Proportional to 42,042 and 90,462

Step by Step Solution

1. Step 1: Write the proportion equation
   42,042 : 90,462 = 90,462 : x
2. Step 2: Convert to fraction form
   42,042/90,462 = 90,462/x
3. Step 3: Cross multiply
   42,042x = 90,462 × 90,462
4. Step 4: Simplify right side
   42,042x = 8,183,373,444
5. Step 5: Solve for x
   x = 8,183,373,444/42,042
6. Step 6: Final answer
   x = 194,647.58