Finding the Third Proportional to 71,917 and 111,662

Step by Step Solution

1. Step 1: Write the proportion equation
   71,917 : 111,662 = 111,662 : x
2. Step 2: Convert to fraction form
   71,917/111,662 = 111,662/x
3. Step 3: Cross multiply
   71,917x = 111,662 × 111,662
4. Step 4: Simplify right side
   71,917x = 12,468,402,244
5. Step 5: Solve for x
   x = 12,468,402,244/71,917
6. Step 6: Final answer
   x = 173,372.11