Finding the Third Proportional to 302,880 and 470,326.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,880 : 470,326.50 = 470,326.50 : x
2. Step 2: Convert to fraction form
   302,880/470,326.50 = 470,326.50/x
3. Step 3: Cross multiply
   302,880x = 470,326.50 × 470,326.50
4. Step 4: Simplify right side
   302,880x = 221,207,016,602.25
5. Step 5: Solve for x
   x = 221,207,016,602.25/302,880
6. Step 6: Final answer
   x = 730,345.41