Finding the Third Proportional to 215,608 and 464,912

Step by Step Solution

1. Step 1: Write the proportion equation
   215,608 : 464,912 = 464,912 : x
2. Step 2: Convert to fraction form
   215,608/464,912 = 464,912/x
3. Step 3: Cross multiply
   215,608x = 464,912 × 464,912
4. Step 4: Simplify right side
   215,608x = 216,143,167,744
5. Step 5: Solve for x
   x = 216,143,167,744/215,608
6. Step 6: Final answer
   x = 1,002,482.13