Finding the Third Proportional to 204,280 and 433,616

Step by Step Solution

1. Step 1: Write the proportion equation
   204,280 : 433,616 = 433,616 : x
2. Step 2: Convert to fraction form
   204,280/433,616 = 433,616/x
3. Step 3: Cross multiply
   204,280x = 433,616 × 433,616
4. Step 4: Simplify right side
   204,280x = 188,022,835,456
5. Step 5: Solve for x
   x = 188,022,835,456/204,280
6. Step 6: Final answer
   x = 920,417.25