Finding the Third Proportional to 218,259 and 482,404

Step by Step Solution

1. Step 1: Write the proportion equation
   218,259 : 482,404 = 482,404 : x
2. Step 2: Convert to fraction form
   218,259/482,404 = 482,404/x
3. Step 3: Cross multiply
   218,259x = 482,404 × 482,404
4. Step 4: Simplify right side
   218,259x = 232,713,619,216
5. Step 5: Solve for x
   x = 232,713,619,216/218,259
6. Step 6: Final answer
   x = 1,066,226.91