Finding the Third Proportional to 613,710 and 1,312,716

Step by Step Solution

1. Step 1: Write the proportion equation
   613,710 : 1,312,716 = 1,312,716 : x
2. Step 2: Convert to fraction form
   613,710/1,312,716 = 1,312,716/x
3. Step 3: Cross multiply
   613,710x = 1,312,716 × 1,312,716
4. Step 4: Simplify right side
   613,710x = 1,723,223,296,656
5. Step 5: Solve for x
   x = 1,723,223,296,656/613,710
6. Step 6: Final answer
   x = 2,807,878.80