Finding the Third Proportional to 218,744 and 467,820

Step by Step Solution

1. Step 1: Write the proportion equation
   218,744 : 467,820 = 467,820 : x
2. Step 2: Convert to fraction form
   218,744/467,820 = 467,820/x
3. Step 3: Cross multiply
   218,744x = 467,820 × 467,820
4. Step 4: Simplify right side
   218,744x = 218,855,552,400
5. Step 5: Solve for x
   x = 218,855,552,400/218,744
6. Step 6: Final answer
   x = 1,000,509.97