Finding the Third Proportional to 123,982 and 254,498

Step by Step Solution

1. Step 1: Write the proportion equation
   123,982 : 254,498 = 254,498 : x
2. Step 2: Convert to fraction form
   123,982/254,498 = 254,498/x
3. Step 3: Cross multiply
   123,982x = 254,498 × 254,498
4. Step 4: Simplify right side
   123,982x = 64,769,232,004
5. Step 5: Solve for x
   x = 64,769,232,004/123,982
6. Step 6: Final answer
   x = 522,408.35