Finding the Third Proportional to 323,192 and 434,760

Step by Step Solution

1. Step 1: Write the proportion equation
   323,192 : 434,760 = 434,760 : x
2. Step 2: Convert to fraction form
   323,192/434,760 = 434,760/x
3. Step 3: Cross multiply
   323,192x = 434,760 × 434,760
4. Step 4: Simplify right side
   323,192x = 189,016,257,600
5. Step 5: Solve for x
   x = 189,016,257,600/323,192
6. Step 6: Final answer
   x = 584,842.01