Finding the Third Proportional to 81,963 and 123,519

Step by Step Solution

1. Step 1: Write the proportion equation
   81,963 : 123,519 = 123,519 : x
2. Step 2: Convert to fraction form
   81,963/123,519 = 123,519/x
3. Step 3: Cross multiply
   81,963x = 123,519 × 123,519
4. Step 4: Simplify right side
   81,963x = 15,256,943,361
5. Step 5: Solve for x
   x = 15,256,943,361/81,963
6. Step 6: Final answer
   x = 186,144.28