Finding the Third Proportional to 624,822 and 1,362,720

Step by Step Solution

1. Step 1: Write the proportion equation
   624,822 : 1,362,720 = 1,362,720 : x
2. Step 2: Convert to fraction form
   624,822/1,362,720 = 1,362,720/x
3. Step 3: Cross multiply
   624,822x = 1,362,720 × 1,362,720
4. Step 4: Simplify right side
   624,822x = 1,857,005,798,400
5. Step 5: Solve for x
   x = 1,857,005,798,400/624,822
6. Step 6: Final answer
   x = 2,972,055.72