Finding the Third Proportional to 623,463 and 1,340,166

Step by Step Solution

1. Step 1: Write the proportion equation
   623,463 : 1,340,166 = 1,340,166 : x
2. Step 2: Convert to fraction form
   623,463/1,340,166 = 1,340,166/x
3. Step 3: Cross multiply
   623,463x = 1,340,166 × 1,340,166
4. Step 4: Simplify right side
   623,463x = 1,796,044,907,556
5. Step 5: Solve for x
   x = 1,796,044,907,556/623,463
6. Step 6: Final answer
   x = 2,880,756.21