Finding the Third Proportional to 611,111 and 1,315,838

Step by Step Solution

1. Step 1: Write the proportion equation
   611,111 : 1,315,838 = 1,315,838 : x
2. Step 2: Convert to fraction form
   611,111/1,315,838 = 1,315,838/x
3. Step 3: Cross multiply
   611,111x = 1,315,838 × 1,315,838
4. Step 4: Simplify right side
   611,111x = 1,731,429,642,244
5. Step 5: Solve for x
   x = 1,731,429,642,244/611,111
6. Step 6: Final answer
   x = 2,833,249.02