Finding the Third Proportional to 70,086.75 and 108,704.25

Step by Step Solution

1. Step 1: Write the proportion equation
   70,086.75 : 108,704.25 = 108,704.25 : x
2. Step 2: Convert to fraction form
   70,086.75/108,704.25 = 108,704.25/x
3. Step 3: Cross multiply
   70,086.75x = 108,704.25 × 108,704.25
4. Step 4: Simplify right side
   70,086.75x = 11,816,613,968.06
5. Step 5: Solve for x
   x = 11,816,613,968.06/70,086.75
6. Step 6: Final answer
   x = 168,599.83