Finding the Third Proportional to 663,385 and 1,450,979

Step by Step Solution

1. Step 1: Write the proportion equation
   663,385 : 1,450,979 = 1,450,979 : x
2. Step 2: Convert to fraction form
   663,385/1,450,979 = 1,450,979/x
3. Step 3: Cross multiply
   663,385x = 1,450,979 × 1,450,979
4. Step 4: Simplify right side
   663,385x = 2,105,340,058,441
5. Step 5: Solve for x
   x = 2,105,340,058,441/663,385
6. Step 6: Final answer
   x = 3,173,632.29