Finding the Third Proportional to 623,812 and 1,322,036

Step by Step Solution

1. Step 1: Write the proportion equation
   623,812 : 1,322,036 = 1,322,036 : x
2. Step 2: Convert to fraction form
   623,812/1,322,036 = 1,322,036/x
3. Step 3: Cross multiply
   623,812x = 1,322,036 × 1,322,036
4. Step 4: Simplify right side
   623,812x = 1,747,779,185,296
5. Step 5: Solve for x
   x = 1,747,779,185,296/623,812
6. Step 6: Final answer
   x = 2,801,772.31