Finding the Third Proportional to 302,868 and 470,308.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,868 : 470,308.50 = 470,308.50 : x
2. Step 2: Convert to fraction form
   302,868/470,308.50 = 470,308.50/x
3. Step 3: Cross multiply
   302,868x = 470,308.50 × 470,308.50
4. Step 4: Simplify right side
   302,868x = 221,190,085,172.25
5. Step 5: Solve for x
   x = 221,190,085,172.25/302,868
6. Step 6: Final answer
   x = 730,318.44