Finding the Third Proportional to 323,248 and 434,826

Step by Step Solution

1. Step 1: Write the proportion equation
   323,248 : 434,826 = 434,826 : x
2. Step 2: Convert to fraction form
   323,248/434,826 = 434,826/x
3. Step 3: Cross multiply
   323,248x = 434,826 × 434,826
4. Step 4: Simplify right side
   323,248x = 189,073,650,276
5. Step 5: Solve for x
   x = 189,073,650,276/323,248
6. Step 6: Final answer
   x = 584,918.24