Finding the Third Proportional to 302,899.50 and 470,328

Step by Step Solution

1. Step 1: Write the proportion equation
   302,899.50 : 470,328 = 470,328 : x
2. Step 2: Convert to fraction form
   302,899.50/470,328 = 470,328/x
3. Step 3: Cross multiply
   302,899.50x = 470,328 × 470,328
4. Step 4: Simplify right side
   302,899.50x = 221,208,427,584
5. Step 5: Solve for x
   x = 221,208,427,584/302,899.50
6. Step 6: Final answer
   x = 730,303.05