Finding the Third Proportional to 210,700 and 459,268

Step by Step Solution

1. Step 1: Write the proportion equation
   210,700 : 459,268 = 459,268 : x
2. Step 2: Convert to fraction form
   210,700/459,268 = 459,268/x
3. Step 3: Cross multiply
   210,700x = 459,268 × 459,268
4. Step 4: Simplify right side
   210,700x = 210,927,095,824
5. Step 5: Solve for x
   x = 210,927,095,824/210,700
6. Step 6: Final answer
   x = 1,001,077.82