Finding the Third Proportional to 743,634 and 1,051,299

Step by Step Solution

1. Step 1: Write the proportion equation
   743,634 : 1,051,299 = 1,051,299 : x
2. Step 2: Convert to fraction form
   743,634/1,051,299 = 1,051,299/x
3. Step 3: Cross multiply
   743,634x = 1,051,299 × 1,051,299
4. Step 4: Simplify right side
   743,634x = 1,105,229,587,401
5. Step 5: Solve for x
   x = 1,105,229,587,401/743,634
6. Step 6: Final answer
   x = 1,486,254.78