Finding the Third Proportional to 775,644 and 1,617,708

Step by Step Solution

1. Step 1: Write the proportion equation
   775,644 : 1,617,708 = 1,617,708 : x
2. Step 2: Convert to fraction form
   775,644/1,617,708 = 1,617,708/x
3. Step 3: Cross multiply
   775,644x = 1,617,708 × 1,617,708
4. Step 4: Simplify right side
   775,644x = 2,616,979,173,264
5. Step 5: Solve for x
   x = 2,616,979,173,264/775,644
6. Step 6: Final answer
   x = 3,373,943.68