Finding the Third Proportional to 25,443 and 45,418

Step by Step Solution

1. Step 1: Write the proportion equation
   25,443 : 45,418 = 45,418 : x
2. Step 2: Convert to fraction form
   25,443/45,418 = 45,418/x
3. Step 3: Cross multiply
   25,443x = 45,418 × 45,418
4. Step 4: Simplify right side
   25,443x = 2,062,794,724
5. Step 5: Solve for x
   x = 2,062,794,724/25,443
6. Step 6: Final answer
   x = 81,075.14