Finding the Third Proportional to 86,057 and 185,710

Step by Step Solution

1. Step 1: Write the proportion equation
   86,057 : 185,710 = 185,710 : x
2. Step 2: Convert to fraction form
   86,057/185,710 = 185,710/x
3. Step 3: Cross multiply
   86,057x = 185,710 × 185,710
4. Step 4: Simplify right side
   86,057x = 34,488,204,100
5. Step 5: Solve for x
   x = 34,488,204,100/86,057
6. Step 6: Final answer
   x = 400,760.01