Finding the Third Proportional to 31,104 and 42,048

Step by Step Solution

1. Step 1: Write the proportion equation
   31,104 : 42,048 = 42,048 : x
2. Step 2: Convert to fraction form
   31,104/42,048 = 42,048/x
3. Step 3: Cross multiply
   31,104x = 42,048 × 42,048
4. Step 4: Simplify right side
   31,104x = 1,768,034,304
5. Step 5: Solve for x
   x = 1,768,034,304/31,104
6. Step 6: Final answer
   x = 56,842.67