Finding the Third Proportional to 19,418 and 42,495

Step by Step Solution

1. Step 1: Write the proportion equation
   19,418 : 42,495 = 42,495 : x
2. Step 2: Convert to fraction form
   19,418/42,495 = 42,495/x
3. Step 3: Cross multiply
   19,418x = 42,495 × 42,495
4. Step 4: Simplify right side
   19,418x = 1,805,825,025
5. Step 5: Solve for x
   x = 1,805,825,025/19,418
6. Step 6: Final answer
   x = 92,997.48