Finding the Third Proportional to 561,522 and 1,228,020

Step by Step Solution

1. Step 1: Write the proportion equation
   561,522 : 1,228,020 = 1,228,020 : x
2. Step 2: Convert to fraction form
   561,522/1,228,020 = 1,228,020/x
3. Step 3: Cross multiply
   561,522x = 1,228,020 × 1,228,020
4. Step 4: Simplify right side
   561,522x = 1,508,033,120,400
5. Step 5: Solve for x
   x = 1,508,033,120,400/561,522
6. Step 6: Final answer
   x = 2,685,617.16