Finding the Third Proportional to 450,119 and 636,892

Step by Step Solution

1. Step 1: Write the proportion equation
   450,119 : 636,892 = 636,892 : x
2. Step 2: Convert to fraction form
   450,119/636,892 = 636,892/x
3. Step 3: Cross multiply
   450,119x = 636,892 × 636,892
4. Step 4: Simplify right side
   450,119x = 405,631,419,664
5. Step 5: Solve for x
   x = 405,631,419,664/450,119
6. Step 6: Final answer
   x = 901,164.85