Finding the Third Proportional to 86,308 and 185,048

Step by Step Solution

1. Step 1: Write the proportion equation
   86,308 : 185,048 = 185,048 : x
2. Step 2: Convert to fraction form
   86,308/185,048 = 185,048/x
3. Step 3: Cross multiply
   86,308x = 185,048 × 185,048
4. Step 4: Simplify right side
   86,308x = 34,242,762,304
5. Step 5: Solve for x
   x = 34,242,762,304/86,308
6. Step 6: Final answer
   x = 396,750.73