Finding the Third Proportional to 85,401.42 and 182,628.42

Step by Step Solution

1. Step 1: Write the proportion equation
   85,401.42 : 182,628.42 = 182,628.42 : x
2. Step 2: Convert to fraction form
   85,401.42/182,628.42 = 182,628.42/x
3. Step 3: Cross multiply
   85,401.42x = 182,628.42 × 182,628.42
4. Step 4: Simplify right side
   85,401.42x = 33,353,140,476.55
5. Step 5: Solve for x
   x = 33,353,140,476.55/85,401.42
6. Step 6: Final answer
   x = 390,545.49