Finding the Third Proportional to 218,676 and 473,622

Step by Step Solution

1. Step 1: Write the proportion equation
   218,676 : 473,622 = 473,622 : x
2. Step 2: Convert to fraction form
   218,676/473,622 = 473,622/x
3. Step 3: Cross multiply
   218,676x = 473,622 × 473,622
4. Step 4: Simplify right side
   218,676x = 224,317,798,884
5. Step 5: Solve for x
   x = 224,317,798,884/218,676
6. Step 6: Final answer
   x = 1,025,799.81