Finding the Third Proportional to 42,954 and 87,116

Step by Step Solution

1. Step 1: Write the proportion equation
   42,954 : 87,116 = 87,116 : x
2. Step 2: Convert to fraction form
   42,954/87,116 = 87,116/x
3. Step 3: Cross multiply
   42,954x = 87,116 × 87,116
4. Step 4: Simplify right side
   42,954x = 7,589,197,456
5. Step 5: Solve for x
   x = 7,589,197,456/42,954
6. Step 6: Final answer
   x = 176,681.97