Finding the Third Proportional to 19,449 and 42,418.13

Step by Step Solution

1. Step 1: Write the proportion equation
   19,449 : 42,418.13 = 42,418.13 : x
2. Step 2: Convert to fraction form
   19,449/42,418.13 = 42,418.13/x
3. Step 3: Cross multiply
   19,449x = 42,418.13 × 42,418.13
4. Step 4: Simplify right side
   19,449x = 1,799,297,328.52
5. Step 5: Solve for x
   x = 1,799,297,328.52/19,449
6. Step 6: Final answer
   x = 92,513.62