Finding the Third Proportional to 70,559.50 and 108,087

Step by Step Solution

1. Step 1: Write the proportion equation
   70,559.50 : 108,087 = 108,087 : x
2. Step 2: Convert to fraction form
   70,559.50/108,087 = 108,087/x
3. Step 3: Cross multiply
   70,559.50x = 108,087 × 108,087
4. Step 4: Simplify right side
   70,559.50x = 11,682,799,569
5. Step 5: Solve for x
   x = 11,682,799,569/70,559.50
6. Step 6: Final answer
   x = 165,573.73