Finding the Third Proportional to 19,401 and 42,355

Step by Step Solution

1. Step 1: Write the proportion equation
   19,401 : 42,355 = 42,355 : x
2. Step 2: Convert to fraction form
   19,401/42,355 = 42,355/x
3. Step 3: Cross multiply
   19,401x = 42,355 × 42,355
4. Step 4: Simplify right side
   19,401x = 1,793,946,025
5. Step 5: Solve for x
   x = 1,793,946,025/19,401
6. Step 6: Final answer
   x = 92,466.68