Finding the Third Proportional to 216,984 and 483,768

Step by Step Solution

1. Step 1: Write the proportion equation
   216,984 : 483,768 = 483,768 : x
2. Step 2: Convert to fraction form
   216,984/483,768 = 483,768/x
3. Step 3: Cross multiply
   216,984x = 483,768 × 483,768
4. Step 4: Simplify right side
   216,984x = 234,031,477,824
5. Step 5: Solve for x
   x = 234,031,477,824/216,984
6. Step 6: Final answer
   x = 1,078,565.60