Finding the Third Proportional to 623,455 and 1,363,574

Step by Step Solution

1. Step 1: Write the proportion equation
   623,455 : 1,363,574 = 1,363,574 : x
2. Step 2: Convert to fraction form
   623,455/1,363,574 = 1,363,574/x
3. Step 3: Cross multiply
   623,455x = 1,363,574 × 1,363,574
4. Step 4: Simplify right side
   623,455x = 1,859,334,053,476
5. Step 5: Solve for x
   x = 1,859,334,053,476/623,455
6. Step 6: Final answer
   x = 2,982,306.75