Finding the Third Proportional to 215,504 and 470,168

Step by Step Solution

1. Step 1: Write the proportion equation
   215,504 : 470,168 = 470,168 : x
2. Step 2: Convert to fraction form
   215,504/470,168 = 470,168/x
3. Step 3: Cross multiply
   215,504x = 470,168 × 470,168
4. Step 4: Simplify right side
   215,504x = 221,057,948,224
5. Step 5: Solve for x
   x = 221,057,948,224/215,504
6. Step 6: Final answer
   x = 1,025,771.90