Finding the Third Proportional to 337,326 and 724,678.50

Step by Step Solution

1. Step 1: Write the proportion equation
   337,326 : 724,678.50 = 724,678.50 : x
2. Step 2: Convert to fraction form
   337,326/724,678.50 = 724,678.50/x
3. Step 3: Cross multiply
   337,326x = 724,678.50 × 724,678.50
4. Step 4: Simplify right side
   337,326x = 525,158,928,362.25
5. Step 5: Solve for x
   x = 525,158,928,362.25/337,326
6. Step 6: Final answer
   x = 1,556,829.09