Finding the Third Proportional to 611,844 and 1,312,262

Step by Step Solution

1. Step 1: Write the proportion equation
   611,844 : 1,312,262 = 1,312,262 : x
2. Step 2: Convert to fraction form
   611,844/1,312,262 = 1,312,262/x
3. Step 3: Cross multiply
   611,844x = 1,312,262 × 1,312,262
4. Step 4: Simplify right side
   611,844x = 1,722,031,556,644
5. Step 5: Solve for x
   x = 1,722,031,556,644/611,844
6. Step 6: Final answer
   x = 2,814,494.47