Finding the Third Proportional to 668,838 and 1,036,792

Step by Step Solution

1. Step 1: Write the proportion equation
   668,838 : 1,036,792 = 1,036,792 : x
2. Step 2: Convert to fraction form
   668,838/1,036,792 = 1,036,792/x
3. Step 3: Cross multiply
   668,838x = 1,036,792 × 1,036,792
4. Step 4: Simplify right side
   668,838x = 1,074,937,651,264
5. Step 5: Solve for x
   x = 1,074,937,651,264/668,838
6. Step 6: Final answer
   x = 1,607,171.92