Finding the Third Proportional to 210,168 and 491,616

Step by Step Solution

1. Step 1: Write the proportion equation
   210,168 : 491,616 = 491,616 : x
2. Step 2: Convert to fraction form
   210,168/491,616 = 491,616/x
3. Step 3: Cross multiply
   210,168x = 491,616 × 491,616
4. Step 4: Simplify right side
   210,168x = 241,686,291,456
5. Step 5: Solve for x
   x = 241,686,291,456/210,168
6. Step 6: Final answer
   x = 1,149,967.13