Finding the Third Proportional to 40,276 and 86,386

Step by Step Solution

1. Step 1: Write the proportion equation
   40,276 : 86,386 = 86,386 : x
2. Step 2: Convert to fraction form
   40,276/86,386 = 86,386/x
3. Step 3: Cross multiply
   40,276x = 86,386 × 86,386
4. Step 4: Simplify right side
   40,276x = 7,462,540,996
5. Step 5: Solve for x
   x = 7,462,540,996/40,276
6. Step 6: Final answer
   x = 185,285.06