Finding the Third Proportional to 215,658 and 469,104

Step by Step Solution

1. Step 1: Write the proportion equation
   215,658 : 469,104 = 469,104 : x
2. Step 2: Convert to fraction form
   215,658/469,104 = 469,104/x
3. Step 3: Cross multiply
   215,658x = 469,104 × 469,104
4. Step 4: Simplify right side
   215,658x = 220,058,562,816
5. Step 5: Solve for x
   x = 220,058,562,816/215,658
6. Step 6: Final answer
   x = 1,020,405.28