Finding the Third Proportional to 302,904 and 475,206.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,904 : 475,206.50 = 475,206.50 : x
2. Step 2: Convert to fraction form
   302,904/475,206.50 = 475,206.50/x
3. Step 3: Cross multiply
   302,904x = 475,206.50 × 475,206.50
4. Step 4: Simplify right side
   302,904x = 225,821,217,642.25
5. Step 5: Solve for x
   x = 225,821,217,642.25/302,904
6. Step 6: Final answer
   x = 745,520.75