Finding the Third Proportional to 333,800 and 742,231

Step by Step Solution

1. Step 1: Write the proportion equation
   333,800 : 742,231 = 742,231 : x
2. Step 2: Convert to fraction form
   333,800/742,231 = 742,231/x
3. Step 3: Cross multiply
   333,800x = 742,231 × 742,231
4. Step 4: Simplify right side
   333,800x = 550,906,857,361
5. Step 5: Solve for x
   x = 550,906,857,361/333,800
6. Step 6: Final answer
   x = 1,650,410.00