Finding the Third Proportional to 610,636 and 1,322,918

Step by Step Solution

1. Step 1: Write the proportion equation
   610,636 : 1,322,918 = 1,322,918 : x
2. Step 2: Convert to fraction form
   610,636/1,322,918 = 1,322,918/x
3. Step 3: Cross multiply
   610,636x = 1,322,918 × 1,322,918
4. Step 4: Simplify right side
   610,636x = 1,750,112,034,724
5. Step 5: Solve for x
   x = 1,750,112,034,724/610,636
6. Step 6: Final answer
   x = 2,866,047.92