Finding the Third Proportional to 45,120 and 103,992

Step by Step Solution

1. Step 1: Write the proportion equation
   45,120 : 103,992 = 103,992 : x
2. Step 2: Convert to fraction form
   45,120/103,992 = 103,992/x
3. Step 3: Cross multiply
   45,120x = 103,992 × 103,992
4. Step 4: Simplify right side
   45,120x = 10,814,336,064
5. Step 5: Solve for x
   x = 10,814,336,064/45,120
6. Step 6: Final answer
   x = 239,679.43