Finding the Third Proportional to 218,941.50 and 470,622

Step by Step Solution

1. Step 1: Write the proportion equation
   218,941.50 : 470,622 = 470,622 : x
2. Step 2: Convert to fraction form
   218,941.50/470,622 = 470,622/x
3. Step 3: Cross multiply
   218,941.50x = 470,622 × 470,622
4. Step 4: Simplify right side
   218,941.50x = 221,485,066,884
5. Step 5: Solve for x
   x = 221,485,066,884/218,941.50
6. Step 6: Final answer
   x = 1,011,617.56