Finding the Third Proportional to 42,104 and 89,040

Step by Step Solution

1. Step 1: Write the proportion equation
   42,104 : 89,040 = 89,040 : x
2. Step 2: Convert to fraction form
   42,104/89,040 = 89,040/x
3. Step 3: Cross multiply
   42,104x = 89,040 × 89,040
4. Step 4: Simplify right side
   42,104x = 7,928,121,600
5. Step 5: Solve for x
   x = 7,928,121,600/42,104
6. Step 6: Final answer
   x = 188,298.54