Finding the Third Proportional to 217,224 and 303,466.50

Step by Step Solution

1. Step 1: Write the proportion equation
   217,224 : 303,466.50 = 303,466.50 : x
2. Step 2: Convert to fraction form
   217,224/303,466.50 = 303,466.50/x
3. Step 3: Cross multiply
   217,224x = 303,466.50 × 303,466.50
4. Step 4: Simplify right side
   217,224x = 92,091,916,622.25
5. Step 5: Solve for x
   x = 92,091,916,622.25/217,224
6. Step 6: Final answer
   x = 423,949.09