Finding the Third Proportional to 70,456.50 and 108,965.25

Step by Step Solution

1. Step 1: Write the proportion equation
   70,456.50 : 108,965.25 = 108,965.25 : x
2. Step 2: Convert to fraction form
   70,456.50/108,965.25 = 108,965.25/x
3. Step 3: Cross multiply
   70,456.50x = 108,965.25 × 108,965.25
4. Step 4: Simplify right side
   70,456.50x = 11,873,425,707.56
5. Step 5: Solve for x
   x = 11,873,425,707.56/70,456.50
6. Step 6: Final answer
   x = 168,521.37