Finding the Third Proportional to 623,808 and 1,322,028

Step by Step Solution

1. Step 1: Write the proportion equation
   623,808 : 1,322,028 = 1,322,028 : x
2. Step 2: Convert to fraction form
   623,808/1,322,028 = 1,322,028/x
3. Step 3: Cross multiply
   623,808x = 1,322,028 × 1,322,028
4. Step 4: Simplify right side
   623,808x = 1,747,758,032,784
5. Step 5: Solve for x
   x = 1,747,758,032,784/623,808
6. Step 6: Final answer
   x = 2,801,756.36