Finding the Third Proportional to 333,155 and 490,984

Step by Step Solution

1. Step 1: Write the proportion equation
   333,155 : 490,984 = 490,984 : x
2. Step 2: Convert to fraction form
   333,155/490,984 = 490,984/x
3. Step 3: Cross multiply
   333,155x = 490,984 × 490,984
4. Step 4: Simplify right side
   333,155x = 241,065,288,256
5. Step 5: Solve for x
   x = 241,065,288,256/333,155
6. Step 6: Final answer
   x = 723,582.98