Finding the Third Proportional to 71,354 and 109,718

Step by Step Solution

1. Step 1: Write the proportion equation
   71,354 : 109,718 = 109,718 : x
2. Step 2: Convert to fraction form
   71,354/109,718 = 109,718/x
3. Step 3: Cross multiply
   71,354x = 109,718 × 109,718
4. Step 4: Simplify right side
   71,354x = 12,038,039,524
5. Step 5: Solve for x
   x = 12,038,039,524/71,354
6. Step 6: Final answer
   x = 168,708.69