Finding the Third Proportional to 209,036 and 459,690

Step by Step Solution

1. Step 1: Write the proportion equation
   209,036 : 459,690 = 459,690 : x
2. Step 2: Convert to fraction form
   209,036/459,690 = 459,690/x
3. Step 3: Cross multiply
   209,036x = 459,690 × 459,690
4. Step 4: Simplify right side
   209,036x = 211,314,896,100
5. Step 5: Solve for x
   x = 211,314,896,100/209,036
6. Step 6: Final answer
   x = 1,010,901.93