Finding the Third Proportional to 622,428 and 1,362,068

Step by Step Solution

1. Step 1: Write the proportion equation
   622,428 : 1,362,068 = 1,362,068 : x
2. Step 2: Convert to fraction form
   622,428/1,362,068 = 1,362,068/x
3. Step 3: Cross multiply
   622,428x = 1,362,068 × 1,362,068
4. Step 4: Simplify right side
   622,428x = 1,855,229,236,624
5. Step 5: Solve for x
   x = 1,855,229,236,624/622,428
6. Step 6: Final answer
   x = 2,980,632.68