Finding the Third Proportional to 112,992 and 245,408

Step by Step Solution

1. Step 1: Write the proportion equation
   112,992 : 245,408 = 245,408 : x
2. Step 2: Convert to fraction form
   112,992/245,408 = 245,408/x
3. Step 3: Cross multiply
   112,992x = 245,408 × 245,408
4. Step 4: Simplify right side
   112,992x = 60,225,086,464
5. Step 5: Solve for x
   x = 60,225,086,464/112,992
6. Step 6: Final answer
   x = 533,003.10