Finding the Third Proportional to 218,706 and 469,974

Step by Step Solution

1. Step 1: Write the proportion equation
   218,706 : 469,974 = 469,974 : x
2. Step 2: Convert to fraction form
   218,706/469,974 = 469,974/x
3. Step 3: Cross multiply
   218,706x = 469,974 × 469,974
4. Step 4: Simplify right side
   218,706x = 220,875,560,676
5. Step 5: Solve for x
   x = 220,875,560,676/218,706
6. Step 6: Final answer
   x = 1,009,919.99