Finding the Third Proportional to 40,708 and 87,554

Step by Step Solution

1. Step 1: Write the proportion equation
   40,708 : 87,554 = 87,554 : x
2. Step 2: Convert to fraction form
   40,708/87,554 = 87,554/x
3. Step 3: Cross multiply
   40,708x = 87,554 × 87,554
4. Step 4: Simplify right side
   40,708x = 7,665,702,916
5. Step 5: Solve for x
   x = 7,665,702,916/40,708
6. Step 6: Final answer
   x = 188,309.49