Finding the Third Proportional to 70,859 and 108,521

Step by Step Solution

1. Step 1: Write the proportion equation
   70,859 : 108,521 = 108,521 : x
2. Step 2: Convert to fraction form
   70,859/108,521 = 108,521/x
3. Step 3: Cross multiply
   70,859x = 108,521 × 108,521
4. Step 4: Simplify right side
   70,859x = 11,776,807,441
5. Step 5: Solve for x
   x = 11,776,807,441/70,859
6. Step 6: Final answer
   x = 166,200.59