Finding the Third Proportional to 613,662 and 1,312,617

Step by Step Solution

1. Step 1: Write the proportion equation
   613,662 : 1,312,617 = 1,312,617 : x
2. Step 2: Convert to fraction form
   613,662/1,312,617 = 1,312,617/x
3. Step 3: Cross multiply
   613,662x = 1,312,617 × 1,312,617
4. Step 4: Simplify right side
   613,662x = 1,722,963,388,689
5. Step 5: Solve for x
   x = 1,722,963,388,689/613,662
6. Step 6: Final answer
   x = 2,807,674.89