Finding the Third Proportional to 89,042 and 124,491

Step by Step Solution

1. Step 1: Write the proportion equation
   89,042 : 124,491 = 124,491 : x
2. Step 2: Convert to fraction form
   89,042/124,491 = 124,491/x
3. Step 3: Cross multiply
   89,042x = 124,491 × 124,491
4. Step 4: Simplify right side
   89,042x = 15,498,009,081
5. Step 5: Solve for x
   x = 15,498,009,081/89,042
6. Step 6: Final answer
   x = 174,052.80