Finding the Third Proportional to 210,326 and 456,007

Step by Step Solution

1. Step 1: Write the proportion equation
   210,326 : 456,007 = 456,007 : x
2. Step 2: Convert to fraction form
   210,326/456,007 = 456,007/x
3. Step 3: Cross multiply
   210,326x = 456,007 × 456,007
4. Step 4: Simplify right side
   210,326x = 207,942,384,049
5. Step 5: Solve for x
   x = 207,942,384,049/210,326
6. Step 6: Final answer
   x = 988,667.04