Finding the Third Proportional to 218,736 and 467,804

Step by Step Solution

1. Step 1: Write the proportion equation
   218,736 : 467,804 = 467,804 : x
2. Step 2: Convert to fraction form
   218,736/467,804 = 467,804/x
3. Step 3: Cross multiply
   218,736x = 467,804 × 467,804
4. Step 4: Simplify right side
   218,736x = 218,840,582,416
5. Step 5: Solve for x
   x = 218,840,582,416/218,736
6. Step 6: Final answer
   x = 1,000,478.12