Finding the Third Proportional to 623,424 and 1,363,508

Step by Step Solution

1. Step 1: Write the proportion equation
   623,424 : 1,363,508 = 1,363,508 : x
2. Step 2: Convert to fraction form
   623,424/1,363,508 = 1,363,508/x
3. Step 3: Cross multiply
   623,424x = 1,363,508 × 1,363,508
4. Step 4: Simplify right side
   623,424x = 1,859,154,066,064
5. Step 5: Solve for x
   x = 1,859,154,066,064/623,424
6. Step 6: Final answer
   x = 2,982,166.34