Finding the Third Proportional to 290,892 and 450,162

Step by Step Solution

1. Step 1: Write the proportion equation
   290,892 : 450,162 = 450,162 : x
2. Step 2: Convert to fraction form
   290,892/450,162 = 450,162/x
3. Step 3: Cross multiply
   290,892x = 450,162 × 450,162
4. Step 4: Simplify right side
   290,892x = 202,645,826,244
5. Step 5: Solve for x
   x = 202,645,826,244/290,892
6. Step 6: Final answer
   x = 696,635.96