Finding the Third Proportional to 302,854.50 and 470,274

Step by Step Solution

1. Step 1: Write the proportion equation
   302,854.50 : 470,274 = 470,274 : x
2. Step 2: Convert to fraction form
   302,854.50/470,274 = 470,274/x
3. Step 3: Cross multiply
   302,854.50x = 470,274 × 470,274
4. Step 4: Simplify right side
   302,854.50x = 221,157,635,076
5. Step 5: Solve for x
   x = 221,157,635,076/302,854.50
6. Step 6: Final answer
   x = 730,243.85