Finding the Third Proportional to 85,515.75 and 182,104.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,515.75 : 182,104.50 = 182,104.50 : x
2. Step 2: Convert to fraction form
   85,515.75/182,104.50 = 182,104.50/x
3. Step 3: Cross multiply
   85,515.75x = 182,104.50 × 182,104.50
4. Step 4: Simplify right side
   85,515.75x = 33,162,048,920.25
5. Step 5: Solve for x
   x = 33,162,048,920.25/85,515.75
6. Step 6: Final answer
   x = 387,788.79