Finding the Third Proportional to 40,394.25 and 86,785.88

Step by Step Solution

1. Step 1: Write the proportion equation
   40,394.25 : 86,785.88 = 86,785.88 : x
2. Step 2: Convert to fraction form
   40,394.25/86,785.88 = 86,785.88/x
3. Step 3: Cross multiply
   40,394.25x = 86,785.88 × 86,785.88
4. Step 4: Simplify right side
   40,394.25x = 7,531,788,099.52
5. Step 5: Solve for x
   x = 7,531,788,099.52/40,394.25
6. Step 6: Final answer
   x = 186,456.94