Finding the Third Proportional to 86,073 and 185,742

Step by Step Solution

1. Step 1: Write the proportion equation
   86,073 : 185,742 = 185,742 : x
2. Step 2: Convert to fraction form
   86,073/185,742 = 185,742/x
3. Step 3: Cross multiply
   86,073x = 185,742 × 185,742
4. Step 4: Simplify right side
   86,073x = 34,500,090,564
5. Step 5: Solve for x
   x = 34,500,090,564/86,073
6. Step 6: Final answer
   x = 400,823.61