Finding the Third Proportional to 533,690 and 1,275,662

Step by Step Solution

1. Step 1: Write the proportion equation
   533,690 : 1,275,662 = 1,275,662 : x
2. Step 2: Convert to fraction form
   533,690/1,275,662 = 1,275,662/x
3. Step 3: Cross multiply
   533,690x = 1,275,662 × 1,275,662
4. Step 4: Simplify right side
   533,690x = 1,627,313,538,244
5. Step 5: Solve for x
   x = 1,627,313,538,244/533,690
6. Step 6: Final answer
   x = 3,049,173.75