Finding the Third Proportional to 210,830 and 460,980

Step by Step Solution

1. Step 1: Write the proportion equation
   210,830 : 460,980 = 460,980 : x
2. Step 2: Convert to fraction form
   210,830/460,980 = 460,980/x
3. Step 3: Cross multiply
   210,830x = 460,980 × 460,980
4. Step 4: Simplify right side
   210,830x = 212,502,560,400
5. Step 5: Solve for x
   x = 212,502,560,400/210,830
6. Step 6: Final answer
   x = 1,007,933.22