Finding the Third Proportional to 611,864 and 1,312,298

Step by Step Solution

1. Step 1: Write the proportion equation
   611,864 : 1,312,298 = 1,312,298 : x
2. Step 2: Convert to fraction form
   611,864/1,312,298 = 1,312,298/x
3. Step 3: Cross multiply
   611,864x = 1,312,298 × 1,312,298
4. Step 4: Simplify right side
   611,864x = 1,722,126,040,804
5. Step 5: Solve for x
   x = 1,722,126,040,804/611,864
6. Step 6: Final answer
   x = 2,814,556.90