Finding the Third Proportional to 302,813.50 and 470,212

Step by Step Solution

1. Step 1: Write the proportion equation
   302,813.50 : 470,212 = 470,212 : x
2. Step 2: Convert to fraction form
   302,813.50/470,212 = 470,212/x
3. Step 3: Cross multiply
   302,813.50x = 470,212 × 470,212
4. Step 4: Simplify right side
   302,813.50x = 221,099,324,944
5. Step 5: Solve for x
   x = 221,099,324,944/302,813.50
6. Step 6: Final answer
   x = 730,150.16