Finding the Third Proportional to 19,361 and 42,411

Step by Step Solution

1. Step 1: Write the proportion equation
   19,361 : 42,411 = 42,411 : x
2. Step 2: Convert to fraction form
   19,361/42,411 = 42,411/x
3. Step 3: Cross multiply
   19,361x = 42,411 × 42,411
4. Step 4: Simplify right side
   19,361x = 1,798,692,921
5. Step 5: Solve for x
   x = 1,798,692,921/19,361
6. Step 6: Final answer
   x = 92,902.89