Finding the Third Proportional to 620,268 and 1,335,570

Step by Step Solution

1. Step 1: Write the proportion equation
   620,268 : 1,335,570 = 1,335,570 : x
2. Step 2: Convert to fraction form
   620,268/1,335,570 = 1,335,570/x
3. Step 3: Cross multiply
   620,268x = 1,335,570 × 1,335,570
4. Step 4: Simplify right side
   620,268x = 1,783,747,224,900
5. Step 5: Solve for x
   x = 1,783,747,224,900/620,268
6. Step 6: Final answer
   x = 2,875,768.58