Finding the Third Proportional to 613,656 and 1,312,608

Step by Step Solution

1. Step 1: Write the proportion equation
   613,656 : 1,312,608 = 1,312,608 : x
2. Step 2: Convert to fraction form
   613,656/1,312,608 = 1,312,608/x
3. Step 3: Cross multiply
   613,656x = 1,312,608 × 1,312,608
4. Step 4: Simplify right side
   613,656x = 1,722,939,761,664
5. Step 5: Solve for x
   x = 1,722,939,761,664/613,656
6. Step 6: Final answer
   x = 2,807,663.84