Finding the Third Proportional to 333,042 and 719,256

Step by Step Solution

1. Step 1: Write the proportion equation
   333,042 : 719,256 = 719,256 : x
2. Step 2: Convert to fraction form
   333,042/719,256 = 719,256/x
3. Step 3: Cross multiply
   333,042x = 719,256 × 719,256
4. Step 4: Simplify right side
   333,042x = 517,329,193,536
5. Step 5: Solve for x
   x = 517,329,193,536/333,042
6. Step 6: Final answer
   x = 1,553,345.20