Finding the Third Proportional to 323,969.63 and 479,574

Step by Step Solution

1. Step 1: Write the proportion equation
   323,969.63 : 479,574 = 479,574 : x
2. Step 2: Convert to fraction form
   323,969.63/479,574 = 479,574/x
3. Step 3: Cross multiply
   323,969.63x = 479,574 × 479,574
4. Step 4: Simplify right side
   323,969.63x = 229,991,221,476
5. Step 5: Solve for x
   x = 229,991,221,476/323,969.63
6. Step 6: Final answer
   x = 709,916.00