Finding the Third Proportional to 635,698 and 1,323,668

Step by Step Solution

1. Step 1: Write the proportion equation
   635,698 : 1,323,668 = 1,323,668 : x
2. Step 2: Convert to fraction form
   635,698/1,323,668 = 1,323,668/x
3. Step 3: Cross multiply
   635,698x = 1,323,668 × 1,323,668
4. Step 4: Simplify right side
   635,698x = 1,752,096,974,224
5. Step 5: Solve for x
   x = 1,752,096,974,224/635,698
6. Step 6: Final answer
   x = 2,756,178.21